A) HCl B) H2O C) H2SO4 D) H2S E) HF. b) NH4NH2CO2. 9.7k SHARES. a. N2O5 b. Answer : 37.84 Solution : NA Related Video. B. Also, the numerators are the mass of hydrogen in the compound in grams, and the denominators are the molar masses of the compounds … Find percentage nitrogen by mass in Histamine? View All. Answer to 3. Hydrogen is in water, plus it's an important electron carrier. Of the compounds listed in the question, water has the highest percent mass of hydrogen. a) NH2OH. 85% (159 ratings) Problem Details. How many grams of hydrogen are there in a 156-g sample of this substance? Nitrogen is about 3.3% of body mass. … A substance contains 35.0 g nitrogen, 5.05 g hydrogen, and 60.0 g of oxygen. Text Solution. a) C6H3N3O7 b) CH4N2O c) LiNH2 d) Pb(N3)2 FREE Expert Solution Show answer. 25. 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. Which of the following compounds contains the highest mass percent of nitrogen? 9.7k VIEWS. 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 PERCENTAGE of NITROGEN BY MASS? 2:53 5.3k LIKES. 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. The molecular weight of a compound is 329 g/mol and contains 1 mole of Na per mole of molecules. (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. Divide the mass of hydrogen in each compound by the molar mass of the compound and multiply by 100. Which compound contains the highest percentage of nitrogen by mass? c) N2O3. Which compound contains the highest percentage of nitrogen by mass? 71 1001MSC Workbook Prepared by Dr. Abdullah Karaksha b. Nitrogen in C 10 H 14 N 2: Q72 Calculate the percent composition and determine the molecular formula and the empirical formula for the nitrogen-oxygen compound that results when 12.04 g of nitrogen gas (N 2) is reacted with enough oxygen gas (O 2) to produce 39.54 g of product.The molar mass … Finding molar mass starts with units of grams per mole (g/mol). Example: What is the total mass of each of the following compounds? Which of these compounds contains the greatest percentage of nitrogen… 28.2k LIKES. A) 7.87 g B) 782 g C) 15.7 g Problem: Which of these compounds contains the greatest percentage of nitrogen? In the calculations below, I have rounded the masses to whole numbers. 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