Potassium perchlorate, \[ \text{KClO}_4 \] , has \[ K_{sp} = 1.1 \times 10^{-2} \]. Adding which of the following to a saturated solution of \[ \text{KClO}_4 \] will decrease its solubility.
A.
\[ \text{HCl}(\text{aq}) \]
B.
\[ \text{HClO}_4(\text{aq}) \]
C.
\[ \text{NaOH}(\text{aq}) \]
D.
\[ \text{Ca}(\text{C}_2\text{H}_3\text{O}_2)_2(\text{aq}) \]
Exam No：AP Chemistry Problem Set 8 Year：2024 Question No：APChemistry2024AP0273
Answer:
B
Knowledge points:
3.10 Solubility
3.11 Spectroscopy and the Electromagnetic Spectrum
Solution:
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