[填空题]
Automobile airbags are inflated wem6 hck*-utjlld m1 /frad6m:3. n v0s/e6xpk*; buc 40jeru;:p 1pk f ,4d4suyghnyoith $N_2$, a byproduct of sodium azide decomposition, according to the following reaction.
$2NaN_{3(s)}\rightarrow2Na_{(s)}+3N_{2(g)}$
Calculate the mass (in grams) of sodium azide needed to generate $0.07m^3$ of $N_2$ at $1.01\times10^5 Pa$ and $26^{\circ}C$.mass of $NaN_3$= g
