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If the concentration of Ti2+ is changed from 1.0 M to 0.1 M in the galvanic cells above, what will happen to the observed cell voltages in galvanic cells 2 and 3?

If the concentration of Ti2+ is changed from 1.0 M to 0.1 M in the galvanic cells above, what will happen to the observed cell voltages in galvanic cells 2 and 3? Correct Answer The voltage in both galvanic cells 2 and 3 will increase.

Since the standard cell voltage is positive, we know that the equilibrium constant must be greater than 1. If conditions change so Q is greater than 1, the system is approaching equilibrium and the voltage is expected to decrease. If Q is less than 1, the voltage will increase. In this case, Q = 0.1, so the voltage will increase in galvanic cells 1 and 3.

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