What Happens When Acetone and Water Mix?

By Staff WriterLast Updated Apr 9, 2020 4:12:07 PM ET

Acetone dissolves completely when mixed with water. In this reaction, acetone is the solute and water is the solvent. When acetone mixes with water, hydrogen bonds form between these compounds.

These bonds will keep acetone dissolved completely in water, resulting in a homogeneous solution. This solution has the same composition throughout in which each milliliter of this solution has equal amounts of both acetone and water.

Acetone has the molecular formula C3H6O, and its molecular weight is 58.08 grams per mole. This liquid compound is colorless, and it has applications as a solvent and antiseptic. Acetone's boiling point is 133 degrees Fahrenheit, and its melting point is -140 degrees.