A galvanic cell is constructed as follows. One half-cell consists of a platinum wire immersed in a solution containing 1.0 M Sn2+ and 1.0 M Snt; the other half-cell has a thallium rod immersed in a solution of 1.0 M TI*. E°red of Sn4+/Sn2+ = 0.15 V; E°red of TI*/TI = 0.34 V Choose the correct answer for the following questions. A. What is the equilibrium constant at 25°C? 02.68x10-16 03.73x1015 05.79x106 01.73x10-7 02.67x106 B. What is the cell voltage if the TI* concentration is increased tenfold? 00.17 V 00.25 V 00.23 V 00.14 V 00.26 V

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