Решите. HNO,(3) - азотная кислота, KOH- едкое кали, KMnO,(4)-перманганат калия, CuSO,(4)- медный купорос, NaHCO,(3)- пишева сода.

Первое решали вот так: Mr (HNO,(3))=1+14+16•3=15+16•3=63
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