Solid sodium azide, NaN3 is used in automobiles to rapidly fill the airbags after a collision has occurred. A typical driver side airbag has a volume of 60.0 L that must be filled to a pressure of 1.40 atm to stop the driver from hitting the steering wheel. Upon ignition, sodium azide decomposes via the reaction 2 NaN3 (s) → 2 Na(s) + 3 N₂(g) How many grams of sodium azide must be placed inside the airbag mechanism to fill the driver side airbag? Assume that the nitrogen gas has a pressure of 1.40 atm at a temperature of 25.0°C.

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".