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The standard oxidation potential of zinc of $$0.76\ volt$$ and of silver is $$-0.80\ volt$$. Calculate the emf of the cell $$Zn | \underset {0.25\ M}{Zn(NO_{3})_{2}}\parallel \underset {0.1M}{AgNO_{3}} | Ag$$ at $$25^{\circ}C$$.

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