d) NH4NO2 In the calculations below, I have rounded the masses to whole numbers. c) N2O3. 9.7k SHARES. Which compound contains the highest PERCENTAGE of NITROGEN BY MASS? a. N2O5 b. Which of these compounds contains the greatest percentage of nitrogen… Of the compounds listed in the question, water has the highest percent mass of hydrogen. Divide the mass of hydrogen in each compound by the molar mass of the compound and multiply by 100. Finding molar mass starts with units of grams per mole (g/mol). The average 70 kg (150 lb) adult human body contains approximately 7 × 10 27 atoms and contains at least detectable traces of 60 chemical elements. Which compound contains the highest percent by mass of hydrogen? Answer : 37.84 Solution : NA Related Video. … a) C6H3N3O7 b) CH4N2O c) LiNH2 d) Pb(N3)2 FREE Expert Solution Show answer. 9.7k VIEWS. How many grams of hydrogen are there in a 156-g sample of this substance? Also, the numerators are the mass of hydrogen in the compound in grams, and the denominators are the molar masses of the compounds … B. Which compound contains the highest percentage of nitrogen by mass? (c) contains 6 moles of carbon atoms per mole of molecules of Vitamin C. (d) has a molecular mass of 176.12. a&c a,c&d a,b&c all of the above 6. The relative amounts of each element vary by individual, mainly due to differences … 2:53 5.3k LIKES. 28.2k LIKES. 85% (159 ratings) Problem Details. Which of the following compounds contains the highest mass percent of nitrogen? a) NH2OH. Hydrogen atoms are the most numerous type of atom in a human, but because they are so light, they only make up around 10% of the mass. It's found in proteins and nucleic acids. A) HCl B) H2O C) H2SO4 D) H2S E) HF. Hydrogen is in water, plus it's an important electron carrier. Text Solution. Nitrogen is about 3.3% of body mass. Answer to 3. Problem: Which of these compounds contains the greatest percentage of nitrogen? View All. A substance contains 35.0 g nitrogen, 5.05 g hydrogen, and 60.0 g of oxygen. If the compound contains 12.8% nitrogen and 9.8% sulphur how many nitrogen and sulphur atoms are present per atom of sodium : Which compound contains the highest percentage of nitrogen by mass? About 29 of these elements are thought to play an active positive role in life and health in humans. Find percentage nitrogen by mass in Histamine? The molecular weight of a compound is 329 g/mol and contains 1 mole of Na per mole of molecules. A) 7.87 g B) 782 g C) 15.7 g Example: What is the total mass of each of the following compounds? 71 1001MSC Workbook Prepared by Dr. Abdullah Karaksha b. 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