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Answer to Question #49080 in Physical Chemistry for palashkumarmura

Question #49080
A Zn rod is dipped in 100ml 1M solution so that morality of Cu2+ change to 0.7M.the mmorality of SO4 ion at this stage will be..
A)0.8M
B)1M
C) 0.7M
D)1.8M
Expert's answer
When immersed in asolution of the rod, sulfate ions can not participate in the reaction.
Zn + Cu2+ => Zn2+ + Cu
Therefore, the concentration of sulfate ions staysunchanged.
B) 1M

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