Determine the volume of nitrogen required to obtain 30 g of ammonia (NH3).
July 31, 2021
m (NH3) = 30 g
V (N2) -?
1) N2 + 3H2 => 2NH3;
2) n (NH3) = m (NH3) / M (NH3) = 30/17 = 1.76 mol;
3) n (N2) = n (NH3) / 2 = 1.76 / 2 = 0.88 mol;
4) V (N2) = n (N2) * Vm = 0.88 * 22.4 = 19.7 liters.
Answer: The volume of N2 is 19.7 liters.
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