М(CaO) = 40 +16 = 56
W(Ca) = Ar(Ca) * n / Mr(CaO) *100% = 40*1 / 56 *100% = 71%
W(O) = Ar(O) *n / Mr(CaO) *100% = 16*1 / 56 *100% = 29%
М(CaO) = 40 +16 = 56
W(Ca) = Ar(Ca) * n / Mr(CaO) *100% = 40*1 / 56 *100% = 71%
W(O) = Ar(O) *n / Mr(CaO) *100% = 16*1 / 56 *100% = 29%