M(NaO2) =Ar (Na) + Ar (O) *2 =23+16*2=55
n(NaO2) =3.01*10^22 / 6.022* 10^23 =0.05моль
m(NaO2) = n * M =0.05 *55 =2.75г
M(NaO2) =Ar (Na) + Ar (O) *2 =23+16*2=55
n(NaO2) =3.01*10^22 / 6.022* 10^23 =0.05моль
m(NaO2) = n * M =0.05 *55 =2.75г