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What mass of NH3 forms from 28 g N2 with excess H2 in N2 + 3H2 -> 2NH3?
A51 g
B68 g
C17 g
D34 g
Answer & Solution
Correct answer: D. 34 g
28 g N2 is 1 mol and gives 2 mol NH3, which weighs 2 x 17 = 34 g.
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