Объяснение:
Mr(CaC2) = 40 + 12*2 = 64
W(Ca) = Ar(Ca) *n / Mr(CaC2) *100% = 40*1 / 64 *100% =62%
W(C) = Ar(C) *n / Mr(CaC2) *100% = 12*2 / 64 *100% = 38%
Объяснение:
Mr(CaC2) = 40 + 12*2 = 64
W(Ca) = Ar(Ca) *n / Mr(CaC2) *100% = 40*1 / 64 *100% =62%
W(C) = Ar(C) *n / Mr(CaC2) *100% = 12*2 / 64 *100% = 38%