Question

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?Select one:a. The water is unsaturated.b. The sodium chloride has increased the temperature of the water.c. The water is saturated.d. The sodium chloride has decreased the temperature of the water.

Answer 1

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Answer 2

Answer: Option (c) is the correct answer.

Explanation:

A saturated solution is defined as the solution which contains maximum amount of solute into the solvent.  

And, on adding more amount of solute it will not be able to dissolve into the solvent. This shows that saturation point has reached and the solution is saturated.

So, at this point the excess of solute which is not able to dissolve will settle down at the bottom.

Thus, we can conclude that the statement water is saturated, is true.