1.

A `Zn` rod weighing `25g` was kept in `100 mL` of `1M CuSO_(4)` solution. After a certain time the molarity of `Cu^(2+)` in solution was `0.8`. What was molartiyof `SO_(4)^(2-)`? What was the weight of `Zn` rod after cleaning ? `("At. Weight of "Zn = 65.4.)`

Answer» Correct Answer - `23.692 g`, no charge molarity


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