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Question

When an automobile air bag deploys, solid sodium azide decomposes rapidly to produce nitrogen gas, and this gas inflates the bag. What is the molar mass of sodium azide (NaN3)\left(\mathrm{NaN}_3\right) ?

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Calculate the molar mass of this compound by summing the molar masses of each atom of each element.

22.9898  g/mol+3(14.0067  g/mol)=65.0099  g/mol\begin{align*} 22.9898\;\mathrm{g/mol}+3\left(14.0067\;\mathrm{g/mol}\right)&= 65.0099\;\mathrm{g/mol} \end{align*}

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