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
1
Expert's answer
2015-01-30T11:52:50-0500
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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