AP Chemistrymediummcq1 pt

How does adding more solid CaCO₃ to its saturated solution affect [Ca²⁺]?

A.No change
B.It increases
C.It decreases
D.It doubles

Explanation

Core Concept

Pure solids have constant concentration, so more solid adds nothing to the equilibrium expression. The ion concentrations stay at their saturation values.

Correct Answer

ANo change

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