Ответ:
Mr[CaO] = Ar[Ca] + Ar[O] = 40 + 16 = 56
Mr[Cu(OH)2] = Ar[Cu] + Ar[O] * 2 + Ar[H] * 2 = 64 + 16 * 2 + 2 = 98
Объяснение:
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Ответ:
Mr[CaO] = Ar[Ca] + Ar[O] = 40 + 16 = 56
Mr[Cu(OH)2] = Ar[Cu] + Ar[O] * 2 + Ar[H] * 2 = 64 + 16 * 2 + 2 = 98
Объяснение: