AP Chemistrymediummcq1 pt
A 34.0 g sample of NH₃ contains how many moles of hydrogen atoms?
A.6.00 mol
B.2.00 mol
C.3.00 mol
D.1.00 mol
34.0 g ÷ 17.03 g/mol = 2.00 mol NH₃. Each mole of NH₃ carries 3 mol of H atoms, so 2.00 × 3 = 6.00 mol H.
A6.00 mol
Practice more AP Chemistry questions with full explanations
Practice Unit 1: Atomic Structure and Properties Questions →