Ответ:
Объяснение:
Mr(Cu2O) = 64*2+16 =144
W(Cu) = Ar(Cu) *n / Mr(Cu2O) *100% = 64*2 / 144 *100% =89%
W(O) = Ar(O) *n / Mr(Cu2O) *100% = 16*1 / 144 *100% = 11%
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Ответ:
Объяснение:
Mr(Cu2O) = 64*2+16 =144
W(Cu) = Ar(Cu) *n / Mr(Cu2O) *100% = 64*2 / 144 *100% =89%
W(O) = Ar(O) *n / Mr(Cu2O) *100% = 16*1 / 144 *100% = 11%