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The standard reduction potential of Cu+2/Cu and Ag+/Ag electrode are 0.337 and 0.799Volt respectively for this positive emf galvanic cell,for what concentration of Ag+ will be emf of cell at 25C be zero,if the concentration of Cu+2 is 0.01M?

(a)1.37×109M(b)1.67×109M(c)1.57×109M(d)1.47×109M

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