Объяснение:
Mr(C6H12O3) = 12*6 + 12 + 16*3 = 132
Mr(CuCl2) = 64 + 35,5*2 = 135
W(Cu) = Ar(Cu) *n / Mr(CuCl2) *100% = 64 *1 / 135 *100% = 47%
Mr(CuSO4) = 64 + 32 + 16*4 = 160
W(Cu) = Ar(Cu) *n / Mr(CuSO4) *100% = 64 *1 / 160 *100% =40%
Mr(Cu(OH)2 = 64 + 16*2 + 1*2 =98
W(Cu) = Ar(Cu) *n / Mr(Cu(OH)2 *100% = 64*1 / 98 *100% =65%
Mr(Cu3(PO4)2 = 64*3 + 31*2 + 16*8 = 382
W(Cu) = Ar(Cu) *n / Mr(Cu3(PO4)2 *100% = 64*3 / 382 *100% =50%
Объяснение:
Mr(C6H12O3) = 12*6 + 12 + 16*3 = 132
Mr(CuCl2) = 64 + 35,5*2 = 135
W(Cu) = Ar(Cu) *n / Mr(CuCl2) *100% = 64 *1 / 135 *100% = 47%
Mr(CuSO4) = 64 + 32 + 16*4 = 160
W(Cu) = Ar(Cu) *n / Mr(CuSO4) *100% = 64 *1 / 160 *100% =40%
Mr(Cu(OH)2 = 64 + 16*2 + 1*2 =98
W(Cu) = Ar(Cu) *n / Mr(Cu(OH)2 *100% = 64*1 / 98 *100% =65%
Mr(Cu3(PO4)2 = 64*3 + 31*2 + 16*8 = 382
W(Cu) = Ar(Cu) *n / Mr(Cu3(PO4)2 *100% = 64*3 / 382 *100% =50%