M(NH3)=17г/моль
n(NH3)=20/22,4=0,9моль
m(NH3)=0,9*17=15,3г
N(NH3)=0,9*6,02/10²³=5,418/10²³молекул
N(N)=0,9*6,02/10²³=5,418*10²³атомов
N(H)=3*0,9*6,02/10²³=16,254*10²³атомов
20:22,4=0,89моль
0,89•17=15,1гр
0,89•6,02•10(23)=5,3578•10(23)
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M(NH3)=17г/моль
n(NH3)=20/22,4=0,9моль
m(NH3)=0,9*17=15,3г
N(NH3)=0,9*6,02/10²³=5,418/10²³молекул
N(N)=0,9*6,02/10²³=5,418*10²³атомов
N(H)=3*0,9*6,02/10²³=16,254*10²³атомов
20:22,4=0,89моль
0,89•17=15,1гр
0,89•6,02•10(23)=5,3578•10(23)