m(HBr) = 243 g
m(Al2O3) = 40.8 g
N(HBr) - ?
N(Al2O3) - ?
N(HBr) = 243 / 81 = 3 моль
N(Al2O3) = 40.8 / (27*2 + 16*3) = 40.8 / 102 = 0.4 моль
m(HBr) = 243 g
m(Al2O3) = 40.8 g
N(HBr) - ?
N(Al2O3) - ?
N(HBr) = 243 / 81 = 3 моль
N(Al2O3) = 40.8 / (27*2 + 16*3) = 40.8 / 102 = 0.4 моль