Make up the equations of the reactions between potassium hydroxide and the following substances

univerkov | September 29, 2021 | education

Make up the equations of the reactions between potassium hydroxide and the following substances: copper (II) sulfate; sulfur (IV) oxide; phosphorus (V) oxide; sulfur (VI) oxide

1. Potassium hydroxide, reacting with copper sulfate, forms copper (II) hydroxide and potassium sulfate.

2KOH + CuSO4 = Cu (OH) 2 + K2SO4.

2. Sulfur (IV) oxide and potassium hydroxide form potassium sulfite and water.

2KOH + SO2 = K2SO3 + H2O.

3. Phosphorus (V) oxide and potassium hydroxide react with each other to form potassium phosphate and water.

6KOH + P2O5 = 2K3PO4 + 3H2O.

Sulfur oxide (VI) – an acidic oxide, interacting with alkali – potassium hydroxide, form a salt – potassium sulfate and water.

2KOH + SO3 = K2SO4 + H2O.

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