Объяснение:
Mr(CuSO4) = 64 + 32 + 16*4 =160
W(Cu) = Ar(Cu) *n / Mr(CuSO4) *100% = 64*1 / 160 *100% =40%
W(S) = Ar(S) *n / Mr(CuSO4) *100% = 32*1 / 160 *100% =20%
W(O) = Ar(O) * n / Mr(CuSO4) *100% = 16*4 / 160 *100% =40%
Объяснение:
Mr(CuSO4) = 64 + 32 + 16*4 =160
W(Cu) = Ar(Cu) *n / Mr(CuSO4) *100% = 64*1 / 160 *100% =40%
W(S) = Ar(S) *n / Mr(CuSO4) *100% = 32*1 / 160 *100% =20%
W(O) = Ar(O) * n / Mr(CuSO4) *100% = 16*4 / 160 *100% =40%