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What would be the effect of water evaporating from a puddle without anything else acting on it? Choose one: A. The water activity would decrease due to an increase in the concentration of dissolved substances. B. The water activity would increase due to an increase in the concentration of dissolved substances. C. The water activity would decrease due to a decrease in the concentration of dissolved substances. D. The water activity would increase due to a decrease in the concentration of dissolved substances.

Respuesta :

Oseni

Answer:

A. The water activity would decrease due to an increase in the concentration of dissolved substances.

Explanation:

Water activity in a puddle can simply be defined as the partial vapour pressure of water in the puddle in relation to the standard vapour pressure of pure water.

Water usually migrate from the region of high water activities to the region of low water activities. Hence, when water evaporate from a puddle, the water activity would decrease because this will lead to an increase in the concentration of dissolved solids in the puddle.

The correct option is A.

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