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Напишите уравнения реакций, с помощью которых можно осуществить следующие превращения:
P=>P2O5=>H3PO4=>K3PO4=>K3PO4
K=>K2O=>KOH=>K3PO4
Укажите тип каждой реакции.
Ответы 1
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4P + 5O2 -> 2P2O5 соединение P2O5 +3 H2O -> 2H3PO4 соединение H3PO4 + 3KOH -> K3PO4 + 3H2O обмен 4K + O2 -> 2K2O соединение K2O + H2O -> 2KOH соединение 3KOH + H3PO4 -> K3PO4 + 3H2O обмен
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Автор:
moniquelnyj - 5 лет назад
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0
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