Calculate E.M.F. of following cell art 298 K Zn(S) Z n S O 4 0.01 M C u S O 4 1.0 M C u s if E o c e l l = 2.0 V

Question

Calculate E.M.F. of following cell art 298 K Zn(S) Z n S O 4 0.01 M C u S O 4 1.0 M C u s if E o c e l l = 2.0 V, 2.0 V, 2.0592 V, 2.0296, 1.0508 V

MARKS App · Accepted Answer

Key Idea General from of Nernst equation is E M n + / M = E m n + / M o - R T n F I n M M n + Oxidation Z n s → Z n + a q 0.01 M + 2 e - Reduction C u 2 + a q 1.0 M → C u s Using Nernst equation, E c e l l = E c e l l o - 0.059 2 l o g 1 100 = 2 - 0.59 2 × - 2 = 2 + 0.059 = 2.059 V

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