1.

What is the potential of an electrode which originally contained 0.1 MNO_(3)^(-) and 0.4MH^(+) and which has been treated by 60% of the cadmium necessary to reduce all the NO_(3)^(-) to NO(g) at 1 atm. Given, NO_(3)^(-) +4H^(+)+3e^(-)rarr NO+2H_(2)O, E^(@)=0.95V and log2=0.3010

Answer»

0.52 V
0.44
0.86 V
0.78 V

Answer :C


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