1)N(h2s)= n(h2s)•6.02•10²³
N=1,5•6.02•10²³=9.03•10²³
2)n(nh3)=N(nh3)/6.02•10²³
n=9.03•10²³/6.02•10²³=1.5
1)N(h2s)= n(h2s)•6.02•10²³
N=1,5•6.02•10²³=9.03•10²³
2)n(nh3)=N(nh3)/6.02•10²³
n=9.03•10²³/6.02•10²³=1.5