November 2021 0 0 Report
Подберите коэффициенты , расставьте валентность в бинарных соединениях и назовите их 1.С2О3+K2S2О7=>C2(SО4)3+K2SO4 2.Ca3P2+H2O=>Ca(OH)2+PH3
3.ZhSO4+KHSO3=>ZhCO3+K2SO4+K2CO3+CO2+H2O
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