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Zn rod weighing 25 g was kept in 100 mL of 1M copper sulphate solution. After certain time interval, the molarity of Cu2+ was found to be 0.8 M. What is the molarity of SO4 -2 in the resulting solution and what should be the mass of Zn rod after cleaning and drying ?

Zn rod weighing 25 g was kept in 100 mL of 1M copper sulphate solution. After
certain time interval, the molarity of Cu2+ was found to be 0.8 M. What is the
molarity of SO4 -2 in the resulting solution and what should be the mass of Zn rod after cleaning and drying ?

Grade:12

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