Question: Equilibrium Position -- A + B = C -- Effect of Dilution Iodine is sparingly soluble in pure water. However, it does `dissolve' in solutions

Equilibrium Position -- A + B = C -- Effect of Dilution

Iodine is sparingly soluble in pure water. However, it does `dissolve' in solutions containing excess iodide ion because of the following reaction:

I-(aq) + I2(aq) <---> I3-(aq) K = 710.

For each of the following cases calculate the equilibrium ratio of [I3-] to [I2].

a) 1.0010-1 mol of I2 is added to 1.00 L of 1.00 M KI solution.

b) The solution above is diluted to 9.00 L.

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