Автор - TanyaKim22

ПОМОГИТЕ ПОЖАЛУЙСТА
2 ЗАДАНИЕ

Ответ

Автор - Potassium

Ca + 2HCl = CaCl2 + H2

Al2O3 + 3H2SO4 = Al2(SO4)3 + 3H2O

P2O5 + 3H2O = 2H3PO4

Na2O + H2S = Na2S + H2O

SO3 + H2O = H2SO4

3FeO + 2H3PO4 = Fe3(PO4)2 + 3H2O

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