Вопрос школьника по предмету Химия
сумма коэффициентов в реакции,соответствующей схеме Na2O+H3PO4->соль+вода,равна:а)4 б)7 в)10 г)6
Ответ учителя по предмету Химия
3Na2O + 2H3PO4 -> 2Na3PO4 + 3H2O
Ответ: в
сумма коэффициентов в реакции,соответствующей схеме Na2O+H3PO4->соль+вода,равна:а)4 б)7 в)10 г)6
3Na2O + 2H3PO4 -> 2Na3PO4 + 3H2O
Ответ: в
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