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Автор - alekseydedyanin96

Каким реактивом может быть открыт катион калия?
а) Na2HPO4;
б)NaH2SbO4;
в)Na3[Co(NO2)6]
Напишите уравнение реакции.

Ответ

Автор - АннаКлимчук1997

Ответ:

b)

2 KCl + Na3[Co(NO2)6] → K2Na[Co(NO2)6]↓ + 2 NaCl

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