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Cus. Cus + h2so4 = cuso4 + h2s. Cu+cl2 изб. Cu+h2s=Cus+2h Рио. Cu+cl2 избыток.
Cus + h2so4 = cuso4 + h2s. Cu+cl2 изб. Cu+h2s=Cus+2h Рио. Cu+cl2 избыток.

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