All of the following statements are correct EXCEPT

A. Dissolving a solid in water is usually an exothermic process.
B. If a precipitate forms when a solution is cooled, the solution is supersaturated.
C. Solubility decreases with increasing molar mass.
D. When an equilibrium is established between molecules in a solid and a solution, the solution is said to be saturated.
E. The solubility of a gas in water decreases as the water temperature increases.

Question

sarah17632 sarah17632

28-06-2024
Chemistry

Answered

All of the following statements are correct EXCEPT

A. Dissolving a solid in water is usually an exothermic process.
B. If a precipitate forms when a solution is cooled, the solution is supersaturated.
C. Solubility decreases with increasing molar mass.
D. When an equilibrium is established between molecules in a solid and a solution, the solution is said to be saturated.
E. The solubility of a gas in water decreases as the water temperature increases.

Answer :

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GinnyAnswer GinnyAnswer · Answer 1 · 2024-06-28T15:03:09-04:00

Final answer:

In a saturated solution, solute dissolving rate equals crystallization rate, establishing dynamic equilibrium.

Explanation:

The correct statement is:

d) when an equilibrium is established between molecules in a solid and a solution, the solution is said to be saturated.

Explanation:

In a saturated solution, the rate of solute dissolving is equal to the rate of solute crystallizing from the solution. This maintains a dynamic equilibrium between the solid solute and the dissolved solute. The other statements are accurate about factors affecting solubility, precipitation, and temperature dependence of solubility for gases.

Learn more about Solubility and saturated solutions here:

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