Na_(2)SO_(4) is water soluble but BaSO_(s) is insoluble because

1.	Na_(2)SO_(4) is water soluble but BaSO_(s) is insoluble because
Answer» the hydration energy of `Na_(2)SO_(4)` is higher than that of its lattice energy the hydration energy of `NaSO_(4)` is LESS than that of its lattice energy the hydration energy of `BaSO_(4)` is less than that of its lattice energy the hydration energy of BaSO_(4)` is higher than that of its lattice energy Solution :The solubility of any compound in water depends on both lattice energy & hydration energy. The COMPOUNDS having more hydration energy are only SOLUBLE in water

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