n(N2) = 20/22.4 =0.89 моль
N(N2) = 0.89 *6*10^23 =5.34 *10^23 молекул
M(N2) = 28 г\моль
m(N2) = 28*0.89 = 24.92 г
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n(N2) = 20/22.4 =0.89 моль
N(N2) = 0.89 *6*10^23 =5.34 *10^23 молекул
M(N2) = 28 г\моль
m(N2) = 28*0.89 = 24.92 г