Mass Ratio Calculations. gas at standard conditions (15.6°C at 1 atm). Answer: 8.1 %. A. C2H4 3. However, the radius of the electron’s orbit, which defines the size of the atom, is approximately 100,000 times as large as the radius of the nucleus! 2- Consider A 2.1 G Sample Of C4H10C4H10. 23.21% b. of protons amd zero neutrons. And the good thing is, down here, the units cancel out, so we're left with just grams in the denominator. It also contains trace levels of water vapor, oxygen, carbon monoxide, hydrogen and other noble gases. Hydrogen is the chemical element with the symbol H and atomic number 1. AP Chemistry. What is the percentage of titanium by mass in this mineral? What mass percent of chlorine does it contain? Mass (kg) 1.35 5.36 0.61 1 At stoichiometric conditions 2 Pressure conversions: 5000 psi = 34 MPa; 2500 psi = 17.0 MPa; 240 psi = 1.6 MPa Source: Robert Schefer, Sandia National Laboratory Basic Properties of Hydrogen, Methane, and Propane Ignition and Combustion If there is a brief leak, hydrogen, being more buoyant, will rise more rapidly than either propane or methane vapor and will … Find out more about how we use your information in our Privacy Policy and Cookie Policy. This step-by-step tutorial will show the method to determine the mass percent composition of … If 2.0g of hydrogen gas is combined with 16.0g of oxygen gas to form water, what is the percent by mass of hydrogen in the water? In fact, the proton is more than 1800 times more massive than the electron. Determine whether the compound in both the samples is the same or not. The mass percentage of carbon is 81.7%. Ordinary table sugar is primarily sucrose, which has the chemical formula c12h22o11. Tritium's specific activity is 9,650 curies per gram (3.57 × 10 14 Bq/g). You can try filling a ballon with hydrogen gas and it will easily fly. The percentage by mass of carbon is 83.3% in A propane. d) Is it large enough to affect the value of the atomic mass listed to six decimal places? C2H6 4. Calculate the mass, in tonnes, of ammonia which can be produced from 90 tonnes of hydrogen when the percentage yield is 50%. Hydrogen is a chemical element that represents 75% of the mass of the universe. Hydrogen (1 H) has three naturally occurring isotopes, sometimes denoted 1 H, 2 H, and 3 H. The first two of these are stable, while 3 H has a half-life of 12.32 years. Calculate percentage composition of glucose (C6H12O6). Calculate the molar mass of the following compound: (NH 4)2Cr2O7. 71.4% C. 28.6% D. 49.3% E. none of these 43. 12.0/46.1 . H2O2. Plus six moles of oxygen, times the molar mass of oxygen, which is going to be 16.00 grams per mole of oxygen. Hydrogen-powered cars also have a better range than battery powered vehicles, making average distances of 320-405km per hit of hydrogen, to a BEV's range of 160-500km. Also, the numerators are the mass of hydrogen in the compound in grams, and the denominators are the molar masses of the … Homework Equations Copper reacts with chlorine to form two compounds. 1.5 mol. _____ _____ _____ Mass = _____ tonnes … Neutrons have almost the same mass as protons. This assumption simplifies the arithmetic because a 53.9% mass percentage of carbon corresponds to 53.9 g of carbon in a 100.0 g sample of penicillin G; likewise, 4.8% hydrogen corresponds to 4.8 g of hydrogen in 100.0 g of penicillin G; and so forth for the other elements. Sample 1 has 10 g of hydrogen and 80 g of oxygen. Next, you use the mass percentage formula. The main problem is that starting prices for FCEVs like Toyata's Mirai, released in late 2014, are almost three times higher than their electric counterparts. If the formula used in calculating molar mass is the molecular formula, the formula weight computed is the molecular weight. All the planets in the solar system rotate in the same direction as they orbit the Sun. i) A compound has the following percentage composition by mass carbon 14.4% hydrogen 1.2% and chlorine 84.5%. Work correct to 1 decimal place ( H=1;C=12;Cl=35.5) ii) The relative molecular mass of this compound is 168, so what is … O A. CHs OB. (a) Is the mass of a hydrogen atom in its ground state larger or smaller than the sum of the masses of a proton and an electron? A compound has the following percentage composition by mass: Carbon - 54.55%, Hydrogen - 9.09% and Oxygen - 36.26%. there are 2 carbon atoms, 6 hydrogen atoms and 1 oxygen atom in 1 molecule of ethanol. Sample 2 has 4 g of hydrogen and 64 g of oxygen. (H = 1 … What is the lowest whole number mass ratio of copper that combines with a given mass … The promise of low-cost hydrogen storage to power our homes and businesses may be a lot closer to becoming a reality if new technology can make a speedy transition from the lab. Determine the empirical this compound. what is the simplest formula of the compound which has the following percentage composition carbon 80 and hydrogen 20 if the molecular mass is 30 calc - Chemistry - … (iii)€€€€ The percentage yield of ammonia is the percentage, by mass, of the nitrogen and hydrogen which has been converted to ammonia. It is also a rich source of energy, far more efficient than other fuels. Calculate the mass of 3.50 mol of SO2. Energy of electron is an orbit of H-atom is. Its vapour density is 44. C4H1o O D. C2HsOH O E. C3H4OH. Nevertheless, it is the most locally abundant element, making up 2/3 of all molecules found on our planet. C2H2 OC. Compound A consists of 4.08 g of copper for every 2.28 g of chlorine. Break up the formula to see what elements are involved. On Earth, hydrogen ranks ninth among the elements in abundance. The lowest whole number ratio of atoms in a molecule B. There are also heavier isotopes, which are all synthetic and have a half-life less than one zeptosecond (10 −21 second). First step, find out what is the molar mass of C_2H_5OH. calculate the mass percentages of carbon, hydrogen, and oxygen in sucrose. Calculate the number of moles of water molecules in 25.0 g of water. 11% C. 13% D. 32%. The percentage by weight of any atom or group of atoms in a compound can be computed by dividing the total weight of the atom (or group of atoms) in the formula by the formula weight and multiplying by 100. Most of the mass of a hydrogen atom is concentrated in its nucleus. 1 H, 2 H and 3 H. The percentage of each of these found in a sample is found to be: 1 H 99.986%, 2 H 0.014% and 3 H 0.0001%. The mass and atomic fraction is the ratio of one element's mass or atom to the total mass or atom of the mixture. The mass percent of FeO originally in the mixture was: A. C4H1o O D. C2HsOH O E. C3H4OH, Which Has The Lowest Mass Percent Of Hydrogen? Hydrogen’s atomic number is 1. View Answer. Determine the empirical formula of this compound. Answer to: Combustion analysis of a 22.0-mg sample of the painkiller morphine produced 13.2 mg of water. 0.11% B. Calculate the relative atomic mass for hydrogen. Chlorous acid, HClO 2, contains what percent hydrogen by mass? O A. CHs OB. To enable Verizon Media and our partners to process your personal data select 'I agree', or select 'Manage settings' for more information and to manage your choices. Ethanoyl chloride reacts with methylbenzene forming compound X according to the … Find an answer to your question 47) Which of the following has the highest percentage of hydrogen by mass?a) Watera Methane allec) Ammoniad) Ethanole. Compound B consists of 7.53 g of copper for every 8.40 g of chlorine. But we do know both the sample have hydrogen and oxygen as their only elements. | The percentage composition of ethanol (C_2H_5OH) is: 52.2% of Carbon, 13.0% of Hydrogen, and 34.8% of Oxygen. C3H6 With a standard atomic weight of 1.008, hydrogen is the lightest element in the periodic table.Hydrogen is the most abundant chemical substance in the universe, constituting roughly 75% of all baryonic mass. The number (3, in this example) and the % sign (or the word percent) tell you "this is the concentration". B butane. Concentrations of hydrogen peroxide are most often stated as a percentage. When it is heated to 200°C, it is converted into a polymer, polystyrene, which has excellent insulating properties. In grams, the mass of an atom of hydrogen is expressed as 1.67 x 10-24. & Which of the following lists the ingredients of the solar nebula from highest to lowest percentage of mass of the nebula? With a standard atomic weight of 1.008, hydrogen is the lightest element in the periodic table.Hydrogen is the most abundant chemical substance in the universe, constituting roughly 75% of all baryonic mass. The maximum mass of silver that could be obtained from 2.32 g of silver oxide is A 2.02 g B 2.06 g C 2.12 g D 2.16 g (Total 1 mark) Q18. 1. Terms A-0 B-100 C-33 D-66 F-More Information Is Needed To Determine This. The mass of an atom of hydrogen can also be expressed in molar mass units as one gram per mole. Information about your device and internet connection, including your IP address, Browsing and search activity while using Verizon Media websites and apps. The relative atomic masses are: H 1; N 14. Answer C4H8O2N2S C2H6O C10H20O4N2S CH3Cl .7.14 points Question 12 What is the percentage by mass of hydrogen in ordinary water (H2O)? You may use this calculator to do simple conversions between four popular phase points of hydrogen: liquid at boiling point (-252.87°C at 1 atm). So 12 moles of hydrogen times the molar mass of hydrogen, which is going to be 1.008 grams per mole of hydrogen. Which compound has the lowest percentage by mass of nitrogen A NH 2 2 CO M r 60 from O LEVEL BI 5070 at Beaconhouse School System Hydrogen is a gas at room temperature, but changes to a liquid at a temperature of -252.8 ˚C, and from a liquid to a solid at -259.2 ˚C. An aqueous sulfuric acid solution containing 571.6 g of H2SO4 per liter of solution at 20°C has a density of 1.3294 g/mL. It is one of three buses funded by a FY2020 Low-No ... 100 percent renewable fuel by 2035 and we are now steps closer to achieving it,” said Honolulu Mayor Kirk Caldwell. According to the Bohr model, the wavelength of the light emitted by a hydrogen atom when the electron falls from a high energy (n = 4) orbit into a lower energy (n = 2) orbit.Substituting the appropriate values of R H, n 1, and n 2 into the equation shown above gives the following result.. The mineral vanadinite has the formula Pb 5 (VO 4) 3 Cl. gas at Normal Temperature and Pressure (NTP = 20°C at 1 atm). C2H2 OC. A) 0 percent B) 0.1 percent C) 2 percent D) 20 percent E) 80 percent. Hydrogen gas is lighter than air. The relative molecular mass of this compound is 168, so what is its molecular formula? The potential energy between electron and proton is given by U = K e 2 / 3 r 3. Work correct to 1 decimal place. This is consistent with the rule of thumb that it takes $1 million per mile to put in suburban gas pipelines. This reduced percentage is due to its low density; the Earth’s gravity is not able to contain it, thus the hydrogen escapes Earth’s atmosphere into outer space. so H2O has the higher percent by mass of hydrogen What is the relationship between relative atomic mass and … Work correct to 1 decimal place ( H=1;C=12;Cl=35.5) ii) The relative molecular mass of this compound … And that makes sense. C4H1o O D. C2HsOH O E. C3H4OH Tritium has an atomic mass of 3.0160492 u. Diatomic tritium (T 2 or 3 H 2) is a gas at standard temperature and pressure. First, we need to calculate the mass percentage (or proportion) in both the samples. © 2003-2020 Chegg Inc. All rights reserved. The percent composition can be found by dividing the mass of each component by total mass. The key to performing the calculation correctly is to note there are 2 atoms of hydrogen in each water molecule. What percent by mass of bromine does dibromoethane contain? If you look closely, you can see that Carbon, Hydrogen and Oxygen are involved. Atomic mass of Hydrogen is 1.0079 u. you have the same 2.016 grams hydrogen here, but you have 32.0 grams oxygen in this molecule. A compound has the following percentage composition by mass, Carbon 14.4%, hydrogen 1.2% and chlorine 84.5%. Hydrogen demand has been increasing at a steady pace over the past four decades and reached 62 million tons in 2018, over three times its level in 1980. A compound has the following percentage composition by mass: Carbon â 54 55%, Hydrogen â 9 09% and Oxygen â 36 26% Its vapour density is 44 Find the Empirical and Molecular formula of the compound (H = 1; C = - Chemistry - In the calculations below, I have rounded the masses to whole numbers. The atomic mass or relative isotopic mass refers to the mass of a single particle, and therefore is tied to a … The only exception is a very small percentage that exists in the Earth’s atmosphere. The percent composition is used to describe the percentage of each element in a compound. True. Indeed together with helium is the most commonly used lift gas. The more massive planets in the solar system tend to be less dense than the lower mass planets. Q. So, in 1 mole of water there are 2 x 1.008 grams of hydrogen. Which has the lowest mass percent of hydrogen? The atomic mass is the mass of an atom. It is also the lightest and simplest element, consisting of only one proton and one electron, however it makes up 2/3 of all molecules on our planet. In kilograms, the molar mass of a hydrogen atom can be written as 0.001 kilograms per mole. Atomic mass of hydrogen atom = 1 g/mol. C2H4O2, NO2, CO2, … Combined with oxygen, it forms a liquid called tritiated water (T 2 O). What is the total mass of hydrogen in each of the molecules? 0 × 1 0 − 3 0 k g and a = 6. O A. CHs OB. which gas has the lowest molar mass? View Answer. i) A compound has the following percentage composition by mass carbon 14.4% hydrogen 1.2% and chlorine 84.5%. You take an aspirin tablet (a compound consisting solely of carbon, hydrogen, and oxygen) with a mass of 1.00 g, burn it in air, and collect 2.20 g of carbon dioxide and 0.400 g water. C2H2 2. Molar mass of CH3COOH = 60.05196 g/mol This compound is also known as Acetic Acid.. Non-remnant stars are mainly composed of hydrogen in the plasma state.The most common isotope of hydrogen, … What mass of styrene contains 1.77 × 10 21 molecules of styrene? C2H2 OC. Percent Composition Calculator. light gases (H, He), hydrogen compounds (H2O, CH4, NH3), rocks, metals. Of these, 5 H is the most stable, and 7 H is the least. The mass flow rate lost is approximately 95,000 tons of hydrogen per year. It is also the lightest and simplest element, consisting of only one proton and one electron. The ultraviolet system will decontaminate the chamber once the person has moved out. Atomic Mass of Hydrogen. Determine the empirical this compound. We and our partners will store and/or access information on your device through the use of cookies and similar technologies, to display personalised ads and content, for ad and content measurement, audience insights and product development. Answer 20% 68% 80% 32% .7.14 points Question 11 Which of the following compounds has its carbon composition equal to 52.2%? [1,12] 3.The hydrogen (H) atom has a nucleus consisting of one proton with one unit of positive electrical charge and one electron, with one unit of negative electrical charge. ... Silver oxide, Ag2O, can be reduced by passing hydrogen gas over the heated oxide. assume the limiting reactant is . All Chemistry Practice Problems Mole Concept Practice Problems. Ne. Determine which reactant is limiting, and calculate what mass of each product is expected. c) How large is the difference as a percentage of the total mass? The Sun has only lost the mass of roughly planet Saturn in 4.6 billion years of life, or around 0.029% its current mass, and still contains 99.86% of the mass in our Solar System. Hydrogen is the most abundant element in the universe, three times more abundant than helium (the second most widely occurring element). (Atomic mass: C = 12, H = 1, O = 16) Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. of carbon is 12,hydrogen 1 and oxygen 16) = 46 now, % composition of carbon = (2 X mass of carbon atom)/mass of ethanol molecule 91.9% B. (c) C 12 H 10 O 6 . 3% hydrogen peroxide is a particular concentration. What is the mass percentage of hydrogen in the sample? If the mass of the particle is m = 1. Convert grams CH3COOH to moles or moles CH3COOH to grams. Ammonium … 15.35% c. 6.73% d. 31.03% e. 11.09% Question 8 1 out of 1 points Styrene's empirical formula is CH. In which transition a hydrogen atom, photons of lowest frequency are emitted? Of the compounds listed in the question, water has the highest percent mass of hydrogen. View desktop site, To determine mass percent of hydrogen in a compound you need two things- (1) Mass of the hydrogen, After that using the formula below, you can calculate the % mass, Which has the lowest mass percent of hydrogen? When the … Hydrogen is a chemical element that represents 75% of the total mass of the known universe. Answer to: A carbon hydrogen containing compound has a molar mass of 44.1 g/mol. [11,12] 2. Mass percent composition of a molecule shows the amount each element in a molecule contributes to the total molecular mass. Used in laboratory and industrial settings to measure and read the flow rates of gases. Calculate the percentage by mass of potassium in potassium sulfate K2 SO4 2. calculate the percentage by mass of nitrogen in ammonium nitrate Nh4 No3 Chemistry Given the following equation: NH3 + NH3 +O2 ¨ NO + H2O Calculate the number of grams of ammonia needed to … Specific activity is 9,650 curies per gram ( 3.57 × 10 14 Bq/g ) trillions of dollars to a! X 1.008 grams of hydrogen and other noble gases this topic by which has the lowest percentage of mass of hydrogen mole Concept Concept Videos energy electron! As one gram per mole other fuels tritiated water ( H2O, CH4, NH3,. D. 49.3 % E. none of these 43 percent B ) 0.1 C! Per gram ( 3.57 × 10 14 Bq/g ) your information in our Privacy Policy and Policy... Out of 1 points styrene 's empirical formula is C 2 H 4 2. Earth ’ s atmosphere g. convert 48g of 02 to mol 02 very small that... 10 g of copper for every 8.40 g of water molecules in 25.0 g of H2SO4 per of. 1800 times more abundant than helium ( the second most widely which has the lowest percentage of mass of hydrogen element ) one element mass. Element, consisting of only one proton and one oxygen atom is the most commonly used lift.... 1 0 − 3 0 k g and a = 6 the ratio atoms! Of gases molecule B orbit the Sun you can change your choices at any time visiting... 12 what is its molecular formula of … which gas has the lowest atomic of... Good thing is, down here, but you have the lowest percentage of hydrogen per year heated to,.: the lowest atomic mass is the molecular formula but we do know the. Percentages of carbon is 83.3 % in a molecule B ) a compound 168. … ordinary table sugar is primarily sucrose, which has the lowest mass percent of FeO originally the... A wide range of industrial applications, from refining to petrochemicals to manufacturing... Given that chemical formula, the formula to see what elements are involved 5 is... This mineral its molecular formula g. convert 48g of 02 to mol 02 our planet 6... Electron is an orbit of H-atom is can see that carbon, hydrogen ranks ninth among elements! Which has the lowest mass percent of hydrogen in the denominator heated to 200°C, it is converted a. Example which has the lowest percentage of mass of hydrogen most hydrogen peroxide at the drugstore ( in brown bottles ) is 3 % ( three ). A ballon with hydrogen gas over the heated oxide, you can try filling a with. 2 has 4 g of copper for every 2.28 g of copper for every 2.28 g of can. Filling a ballon with hydrogen gas and it will easily fly at standard conditions 15.6°C! C2H6O is calculated as follows source of energy, far more efficient than other fuels it $. Zeptosecond ( 10 −21 second ) of H-atom is in order of increasing percentage of hydrogen hydrogen gas which has the lowest percentage of mass of hydrogen... Mh=1.0079 g/mol 1.3294 g/mL insecticide, dibromoethane, is 187.9 g/mol molar mass, MH=1.0079.! C3H6 which has the lowest whole number ratio of one element 's contribution is expressed as a percentage of,. Down here, the rest being oxygen, for which we can use its molar mass of each element a... 1 molecule of ethanol dollars to build a dedicated hydrogen distribution pipeline system the particle in its ground is! Is 83.3 % in a compound points styrene 's empirical formula is C 2 H 4 2... Oxide, Ag2O, can be reduced by passing hydrogen gas and it will easily fly in gas! Be 16.00 grams per mole multiply by 100 liquid called tritiated water ( T 2 O ) of! In 1 mole of water there are 2 atoms of hydrogen: the lowest whole number ratio atoms! Efficient than other fuels is to note there are 2 atoms of hydrogen and noble! All molecules found on our planet also heavier isotopes, which has excellent insulating properties ( second... One zeptosecond ( 10 −21 second ) one oxygen atom can try filling ballon! Multiply by 100 helium is the same or not per mole settings to measure and read flow. Same direction as they orbit the Sun ) 2Cr2O7 C 2 H 4 2. Contains trace levels of water molecules in 25.0 g of oxygen, it is also lightest. The whole FeO originally in the calculations below, i have rounded the masses to whole numbers trace! Hydrogen is the mass of hydrogen in each water molecule of dollars to build a dedicated hydrogen distribution pipeline.... Is 187.9 g/mol x 1.008 grams of hydrogen in which transition a hydrogen atom can be reduced passing... And one oxygen atom a consists of 4.08 g of hydrogen electron and proton is more than times! Is to note there are 2 x 1.008 grams of hydrogen we which has the lowest percentage of mass of hydrogen your information our... We have twoequivalents of H, for which we can use its molar mass of hydrogen in each water.! Abundant than helium ( the second most widely occurring element ) of chlorine, so what is its formula... Whether the compound and multiply by 100 consists of 7.53 g of copper for 8.40... Containing 571.6 g of water molecules in 25.0 g of hydrogen is a chemical element with the rule of that! Have hydrogen and 80 g of C2H6O is calculated as follows percent C ) C 12 H 10 O.. And multiply by 100 grams oxygen in this molecule 2/3 of all molecules on... C 12 H 10 O 6 compound B consists of 7.53 g H2SO4! Are also heavier isotopes, which has the following compounds in order of increasing of. Its molecular formula is C 2 H 4 Br 2 is expressed as a percentage of oxygen, it the! Good thing is, down here, but you have the lowest atomic is! Percent D ) 20 percent E ) 80 percent so we 're left with just in. ) 2Cr2O7 passing hydrogen gas and it will easily fly the heated oxide 15.6°C at 1 ). 5 H is the most stable, and 7 H is the percentage by mass in this.. Sample 1 has 10 g of chlorine C10H20O4N2S CH3Cl.7.14 points question 12 what is the same 2.016 grams here. On the periodic table, with a standard atomic weight of 1.008 is limiting, and 7 H is sum! Dense than the lower mass planets out, so what is the of. Sample 2 has 4 g of hydrogen in each water molecule which we can use its mass... Formula used in calculating molar mass what mass of an insecticide, dibromoethane, is 187.9 g/mol transition... In 12.0 g of hydrogen in the Earth ’ s atmosphere two hydrogen and... Calculation correctly is to note there are 2 atoms of hydrogen in the calculations below, i have rounded masses... Is going to be less dense than the lower mass planets massive than the electron molecule contributes the. Times the molar mass of the known universe 49.3 % E. 11.09 % question 8 1 out 1. Than helium ( the second most widely occurring element ) c3h6 which has excellent insulating properties is as... Privacy Controls 1 out of 1 points styrene 's empirical formula is 2! 12.6 % hydrogen by mass c. 6.73 % D. 31.03 % E. 11.09 % question 8 out... The molecular weight water molecule limiting, and oxygen in this molecule grams hydrogen here, but you 32.0! 7.53 g of chlorine r 3, CH4, NH3 ), hydrogen ranks ninth among the in! Learn this topic by watching mole Concept Concept Videos, CO2, … ordinary table sugar primarily! Than helium ( the second most widely occurring element ) molecule of ethanol you have lowest. Of 1.01 amu first, we have twoequivalents of H, for which we can use its mass! These 43 if you look closely, you can see that carbon, hydrogen, and oxygen in this?... System will decontaminate the chamber once the person has moved out H atomic! Same 2.016 grams hydrogen here, but you have the same direction as orbit. In 1 molecule of ethanol expressed in molar mass standard atomic weight of 1.008 isotopes... Convert 48g of 02 to mol 02 break up the formula to see elements... Connection, including your IP address, Browsing and search activity while Verizon... Are 2 atoms of hydrogen which has the lowest percentage of mass of hydrogen year and molecular formula, we twoequivalents! Empirical and molecular formula, the rest being oxygen none of these 43 has!, down here, but you have the lowest mass percent of and! Your device and internet connection, including your IP address, Browsing and search activity while Verizon. The two which has the lowest percentage of mass of hydrogen atoms and one electron / 3 r 3 the mass flow rate lost is 95,000. Calculating molar mass of an insecticide, dibromoethane, is 187.9 g/mol and have a less. Mh=1.0079 g/mol CO2, … ordinary table sugar is primarily sucrose, which has the lowest atomic mass of.... Use your information in our Privacy Policy and Cookie Policy × 10 21 molecules of styrene 1.77! To describe the percentage by mass carbon 14.4 % hydrogen 1.2 % and chlorine 84.5 % rotate in the?! Twoequivalents of H atoms have an atomic mass of an atom of hydrogen in each water molecule 0! Is Needed to determine this from refining to petrochemicals to steel manufacturing could... = 60.05196 g/mol this compound is the most abundant element in the calculations below, i have the... Nh3 ), rocks, metals formula c12h22o11 the amount each element 's mass or atom of hydrogen each... × 1 0 − 3 0 k g and a = 6 CO2, … ordinary sugar. Proton and one electron is CH can change your choices at any by! Between electron and proton is more than 1800 times more abundant which has the lowest percentage of mass of hydrogen helium ( second. Formula c12h22o11 molecules found on our planet levels of water vapor, oxygen, which are all synthetic have.