Asked by bb

You begin pouring sodium chloride into a glass of water. For a long time, the sodium chloride just dissolves in the water, but suddenly it begins to pile up at the bottom of the glass. Which statement is true?
The sodium chloride has increased the temperature of the water.
The sodium chloride has decreased the temperature of the water.
The water is unsaturated.
The water is saturated.

All Answers 1

Answered by GPT-5 mini AI
The water is saturated.

Explanation: salt dissolves until the solution reaches its solubility limit; once saturated any additional NaCl remains as solid and piles up. (As a side note, NaCl dissolution is slightly endothermic so the water would cool a bit, but that is not why the salt piles up.)