Calculate the pH of a saturated solution of Mg(OH) 2 in 0.1 M NaCl, given K sp = 1.8 x 10 -11 and activity coefficient for OH - is 0.90.

pH Revisited

7. Activity and the Systematic Treatment of Equilibrium / pH Revisited / Problem 3

Problem 3

Calculate the pH of a saturated solution of Mg(OH)₂ in 0.1 M NaCl, given K_sp = 1.8 x 10^-11 and activity coefficient for OH^- is 0.90.

12.00

11.00

10.52

9.50