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# : 2NaN3(s) → 2Na(s) + 3N2(g) Calculate the amount, in moles, of nitrogen gas produced by the decomposition of 2.52 mol of NaN3(s).?

Air bags in cars inflate when sodium azide decomposes to form sodium and nitrogen:

2NaN3(s) → 2Na(s) + 3N2(g)

Calculate the amount, in moles, of nitrogen gas produced by the decomposition of 2.52

mol of NaN3(s).

A. 1.68

B. 2.52

C. 3.78

D. 7.56

### 1 Answer

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- Roger the MoleLv 76 months agoFavorite Answer
(2.52 mol NaN3) x (3 mol N2 / 2 mol NaN3) = 3.78 mol

So answer C.

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