A Flask Contains the Following Chemical System at Equilibrium

question 38

Multiple Choice

A flask contains the following chemical system at equilibrium.
CuCO₃(s) Cu²⁺(aq) + 2 CO₃^2-(aq)
Addition of which of the following substances will increase the solubility of CuCO₃(s) in water?
1) aqueous hydrochloric acid
2) aqueous sodium carbonate
3) solid copper(II) carbonate

• A) 1 only
• B) 2 only
• C) 3 only
• D) 1 and 3
• E) 1,2,and 3

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