Ответ:
Объяснение:
Mr(FeCuS2) = 56+64 + 32*2 = 184
W(Fe) = Ar(Fe) *n / Mr(FeCuS2) *100% = 56*1 / 184 *100% =30%
W(Cu) = Ar(Cu) *n / Mr(FeCuS2) *100% = 64*1 / 184 *100% = 35%
W(S) = Ar(S) *n / Mr(FeCuS2) *100% = 32*2 / 184 *100% =35%
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Ответ:
Объяснение:
Mr(FeCuS2) = 56+64 + 32*2 = 184
W(Fe) = Ar(Fe) *n / Mr(FeCuS2) *100% = 56*1 / 184 *100% =30%
W(Cu) = Ar(Cu) *n / Mr(FeCuS2) *100% = 64*1 / 184 *100% = 35%
W(S) = Ar(S) *n / Mr(FeCuS2) *100% = 32*2 / 184 *100% =35%