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a. Continuing with the conditions for Problem 6, say you raised the Mg² concentration to 10x the value for saturation equilibrium then also raised the pH to 8. What would the value of [Mg²*]a Am, a P₁ then be? b. Use Excel Solver or brute force it by hand to find the value of pH that you'd have to lower the water to get \left[\mathrm{Mg}^{2+}\right] g{ }^{2 /} \alpha_{0}^{\mathrm{Am}} \mathrm{Am}_{\mathrm{T}} \alpha_{3}^{\mathrm{p}} \mathrm{P}_{\mathrm{T}}=1 \text { again. }

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