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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Definitions:

Rational Exponents

Fractional exponents, with the numerator indicating the exponentiation level and the denominator designating the root level of the primary number.

Simplify

The process of making an expression easier to understand by reducing it to its simplest form.

Expression

A combination of symbols and numbers to represent a mathematical operation or quantity.

Radical Expression

An expression that contains a square root, cube root, or another root.