# Chapter 4 - Reactions in Aqueous Solution - Exercises: 4.36

$CH_3COCH_3$ acetone

#### Work Step by Step

The answer is acetone because the substance must be a weak acid. While the litmus paper tells us the solution is acidic, the substance does not conduct electricity as well as NaCl. The substance does not fully ionize and cannot be a strong acid. The only weak acid on the list is acetone.

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