Write the interaction with water of oxides PbO, P2O5, K2O, BeO, Al2O3, SO3

1) PbO + H2O = the reaction does not go, since PbO is insoluble in water;
2) P2O5 + 3H2O = 2H3PO4 – phosphate acid is formed;
3) K2O + H2O = 2KON – potassium hydroxide is formed;
4) BeO + H2O = the reaction does not go, since BeO is slightly soluble in water;
5) Al2O3 + 3H2O = 2Al (OH) 3 – trivalent aluminum hydroxide is formed;
6) SO3 + H2O = H2SO4 – sulfuric acid is formed.



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