What is the mass percentage of nitrogen in glutamine (C₅H₁₀N₂O₃)?

Question

Quizplus · Accepted Answer

To find the mass percentage of nitrogen in glutamine, calculate the molar mass of glutamine and the total mass of nitrogen in the compound. The molar mass of glutamine is approximately 146.15 g/mol (C: 5x12.01, H: 10x1.01, N: 2x14.01, O: 3x16.00). The total mass of nitrogen is 2x14.01 = 28.02 g/mol. The mass percentage of nitrogen is (28.02/146.15) x 100% = 19.2%.

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What Is the Mass Percentage of Nitrogen in Glutamine (C₅H₁₀N₂O₃)