Magnesium sulfate MgSO4

is added to 456 mL of 0.040
M
sodium hydroxide NaOH until a

Question

Magnesium sulfate MgSO4 is added to 456 mL of 0.040 M sodium hydroxide NaOH until a

precipitate forms. How many grams of magnesium sulfate were added? You can ignore the additional volume from the magnesium sulfate. Ksp for magnesium hydroxide Mg(OH)2 is 1.80 X 10-11 and sodium sulfate Na2SO4 is soluble in aqueous solution.

MgSO4 (s) + 2NaOH (aq) ↔ Mg(OH)2 (s) + Na2SO4 (aq)

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