1)N2+6Li = Li3N 2)N2+3H2 =2NH3 3) 4NH3+5O2 = 4NO + 6H2O 4) 2NH3 + H2SO4 = (NH4)2SO4
N2+3H2 = 2NH3
2N0 +6e =N-3
2H0 - 2e =2H-1
6г х
2) C + O2 = CO2 12г-----------22,4л
12г 22,4л 6г----------х л х=6x22.4/12=11.2
11.2--------21%
x-----------100% x=11.2x100/21=53.3