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Calculate the cell e.m.f. and triangleG ...

Calculate the cell e.m.f. and `triangleG` for the cell at 298 k.
`Al//Al^(3+)(0.01M)||Fe^(2+)(0.02M)Fe`
Given `E°(Al^(3+)//Al)=-1.66V` and `E°(Fe^(2+)//Fe)=-0.44V`.

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