Automotive Airbags Inflate When a Sample of NaN ₃

question 8

Multiple Choice

Automotive airbags inflate when a sample of NaN ₃ (molar mass = 65 g/mol) is rapidly decomposed. What mass of NaN ₃ is required to produce 368 L of nitrogen gas (molar mass = 28 g/mol) with a density of 1.25 g/L?
​
2 NaN₃(s) → 2 Na(s) + 3 N₂(g)

• A) 228 g
• B) 712 g
• C) 1709 g
• D) 2136 g
• E) 3203 g

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