n(O2)=0.896/22.4=0.04 моль
m(O2)=0.04*32=12.8 грамм
N(O2)=12.8/32*6,02*10^23=0.04*6.02*10^23=4*6.02*10^21=24.08*10^21
n(O2)=0.896/22.4=0.04 моль
m(O2)=0.04*32=12.8 грамм
N(O2)=12.8/32*6,02*10^23=0.04*6.02*10^23=4*6.02*10^21=24.08*10^21