One in a series of reactions that inflate air bags in automobiles is the decomposition of sodium azide (NaN3).

2 NaN3(s) 2 Na(s) + 3 N2(g)
Determine the mass of N2 produced if 279.8 g NaN3 is decomposed.

What would be the grams?

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  1. Convert g NaN3 to mols. mols = g/molar mass.
    Convert mols NaN3 to mols N2 using the coefficients in the balanced equation.
    Convert mols N2 to grams using g = mols x molar mass.

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