Chemistry, 09.12.2019 22:31 fluffypuppies24

An important reaction sequence in the industrial production of nitric acid is the following:
$n_2(g) + 3h_2(g) \rightarrow 2nh_3(g)$
$4nh_3(g) + 5o_2(g) \rightarrow 4no(g) + 6h_2o(l)$
starting from 20.0 mol of nitrogen gas in the first reaction, how many moles of oxygen gas are required in the second one?
a) 12.5 mol o₂
b) 20.0 mol o₂
c) 25.0 mol o₂
d) 50.0 mol o₂
e) 100. mol o₂

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An important reaction sequence in the industrial production of nitric acid is the following:
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