Предмет: Химия, автор: kismiss

рассчитать степень окисления элементов в молекуле, атоме и ионе Hbr, Na2SO3, KMnO4

Ответы

Автор ответа: kattycats

HBr: H(+1), Br(-1)
Na2SO3: Na(+1), S(+4), O(-2)
KMnO4: K(+1), Mn(+7), O(-2). Степени окисления элементов указаны в скобках

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