Question

when same quantity of electricity is passed for half an hour the amount of CU and Crdeposited are respectively 0.375g and 0.30 gratio of electrochemical equivalent of CU and Cr is
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Answer 1

Wt. of Cu/Wt.ofCr=electrochemical equivalent of Cu/electrochemical equivalent of Cr

0.375/0.30= 1.25

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Answer 2

this is your answer

WT of cu/wt of cr
electrochemical equivalent of cu/electrochemical equivalent of cr

=0.375/0.30
=1.25

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