K2O - 94г/моль
w(K2)=78/94*100=83%
w(O)=16/94*100=17%
AlO3 - 75г/моль
w(Al)=27/75*100=36%
w(O3)=16*3/75*100=64%
K2O - 94г/моль
w(K2)=78/94*100=83%
w(O)=16/94*100=17%
AlO3 - 75г/моль
w(Al)=27/75*100=36%
w(O3)=16*3/75*100=64%