[填空题]
Automobile airbags are infla 1tdsp9nqy.qotw 5,v8 ted f c(epv9. 39ua,lpyhl with $N_2$, a byproduct of sodium azide decomposition, according to the following reaction.
$2NaN_{3(s)}\rightarrow2 Na_{(s)}+3N^{2(g)}$
Calculate the mass (in grams) of sodium azide needed to generate $0.07m^3$ of $N^2$ at $1.01\times10^{5}Pa$ and $26.0^{\circ}C$.$n_{N2}$= mol, mass of $NaN_3$= g
