Предмет: Химия, автор: tanyagermany787

Вкажіть загальну суму коефіцієнтів у рівнянні реакції між кальцій оксидом та ортофосфорною кислотою

Ответы

Автор ответа: olhim

Ответ:

Объяснение:

Вважатимемо, що при взаємодії цих речовин утворюється середня сіль

Пишемо реакцію

3CaO + 2H₃PO₄ = Ca₃(PO₄)₂ + 3H₂O

Сума коефіцієнтів відповідно 3 + 2 + 1 + 3 = 9

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