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IIT JEE Advanced 2012 Paper 2

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Paragraph for Questions 31 and 32:
The electrochemical cell shownbelow is a concentration cell.
M|M2+ (saturated solution of a sparingly soluble salt, MX2) || M2+ (0.001 mol‌d‌m−3)|M
The emf of the cell depends on the difference in concentrations of M2+ ions at the two electrodes. The emf of the cell at 298 K is 0.059 V.
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