87. Solving a chemistry problem
606. Standard element emf
Pt(T) | Zn(t) | ZnSO4 (aq) || CuSO4 (aq) | Cu(t) | Pt(T)
is 1.100 V. Calculate the EMF of a similar circuit at 25 °C, in which the concentration of CuSO4 is 2.50x10-4 mol/l, and ZnSO4 is 2.50x10 -2 mol/l. (For a ZnSO4 solution, take the activity factor equal to 1; the effective radius of Zn2 is 6Å)
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