A Solution of Potassium Hydroxide Is in Equilibrium with Undissolved

question 134

Multiple Choice

A solution of potassium hydroxide is in equilibrium with undissolved solute at 45°C. What will happen if the temperature is raised to 50°C? (ΔH_soln = -57.6 kJ/mol)

• A) The mass of undissolved KOH will increase.
• B) The mass of undissolved KOH will decrease.
• C) The mass of undissolved KOH will be unchanged.
• D) The mass of water in the solution will increase.
• E) The entropy of the system will decrease.

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