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1) Briefly explain why you can make the assumption that all of the SCN- ion in solutions S2-S6 has been converted to FeNCS^2+ ion.

2) Verify the assumption described in Question 3. To do so, use your mean Keq to calculate the equilibrium SCN- ion concentration in Solution S6 (93.5). The initial Fe^3+ ion concentration should be 4.00x10^-2 M; the initial SCN- ion concentration (2.4x10^-4) is recorded on Data Sheet 1. You will have to solve a quadratic equation.

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