Which of the following pairs of aqueous solutions will form a precipitate when mixed? A) H F+ LiOH B) Li₂S + H F C) K₂CO₃ + HNO₃ D) MgCl₂ + KOH E) All of these solution pairs will produce a precipitate.

Question

Quizplus · Accepted Answer

When magnesium chloride (MgCl2) and potassium hydroxide (KOH) are mixed together, they will react to form magnesium hydroxide (Mg(OH)2), which is insoluble and will precipitate out of the solution. The other options do not result in the formation of an insoluble compound that would precipitate out.

Which of the Following Pairs of Aqueous Solutions Will Form