3BaCI2+AI2(SO4)3=3BaSO4+2AICI3
m(AI2(SO4)3)=200*10,4/100=20,8г
M(AI2(SO4)3)=342г/моль
M(BaSO4)=233г/моль
n(AI2(SO4)3)=20,8/342=0,06моль
nAI2(SO4)3:nBASO4=1:3
n(BaSO4)=0,06*3=0,18моль
m(BaSO4)=0,18*233=41,94г
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3BaCI2+AI2(SO4)3=3BaSO4+2AICI3
m(AI2(SO4)3)=200*10,4/100=20,8г
M(AI2(SO4)3)=342г/моль
M(BaSO4)=233г/моль
n(AI2(SO4)3)=20,8/342=0,06моль
nAI2(SO4)3:nBASO4=1:3
n(BaSO4)=0,06*3=0,18моль
m(BaSO4)=0,18*233=41,94г