Объяснение:
Mr(Cu(NO3)2) = 64 + 14*2 + 16*6 =188
W(Cu) = Ar(Cu) *n / Mr(Cu(NO3)2 *100% = 64*1 / 188 *100% =34%
W(N) = Ar(N) *n / Mr(Cu(NO3)2) *100% = 14*2 / 188 *100% =15%
W(O) = Ar(O) *n / Mr(Cu(NO3)2 *100% = 16*6 / 188 *100% = 51%
Объяснение:
Mr(Cu(NO3)2) = 64 + 14*2 + 16*6 =188
W(Cu) = Ar(Cu) *n / Mr(Cu(NO3)2 *100% = 64*1 / 188 *100% =34%
W(N) = Ar(N) *n / Mr(Cu(NO3)2) *100% = 14*2 / 188 *100% =15%
W(O) = Ar(O) *n / Mr(Cu(NO3)2 *100% = 16*6 / 188 *100% = 51%