I don't know what the Ksp value is given in your Table,that isn't given in your question. I'm assuming the Ksp value of Mg(OH)2 to be 5.61 x 10-12.
Let, the Solubility of Mg(OH) is S moles/L.
Thus, in 500mL of Water, the no. Of moles of Mg(OH)2 will be (1.119 x 10-4)/2 = 0.000056 moles.
10. 2/7 points | Previous Answers (a) Using only Ksp from the equilibria of alkaline earth...
10. 217 points Previous Answers (a) Using only Ksp from the equilibria of alkaline earth metal hydroxides table, calculate how many moles of Mg(OH)2 will dissolve in 500 mL of water. 0 .000056 X mol (b) How will the solubility calculated in part (a) be affected by the Ky reaction in this table? (Select all that apply.) The dissolution reaction will be drawn to the right. The dissolution reaction will be drawn to the left. The solubility of Mg(OH), will...