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Solution: Automobile air bags inflate following a serious impact.  The...

Question

Automobile air bags inflate following a serious impact.  The impact triggers the following chemical reaction:

2 NaN3 (s) → 2 Na (s) + 3 N 2 (g)

If an automobile airbag has a volume of 11.2 L, what mass of NaN  3 is required to fully inflate the air bag upon impact under conditions of atmospheric pressure (1.00 atm) and room temperature (25oC)? 

A. 12.83 g
B. 29.76 g
C. 236.5 g
D. 19.84 g
E. 44.65 g