4. A saturated solution of sugar in water is prepared. The temperature of water is lowered by
5°C. Will the solution continue to be saturated? Give reasons.
from
water
Answers
This is because as we increase the temperature, the solubility of a solution increases. According to the question, we have a saturated sugar solution at a fixed temperature, and its temperature is decreased by 5-degree centigrade. This means the solution is cooled down.
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Answer:
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Explanation:
If a saturated solution of sugar in water is prepared. The temperature is lowered by 5⁰C then it will not remain the same, the sugar will get crystallized on decreasing the temperature...
When some amount of solute is mixed into a solvent, it first dissolves all as much as it can. This condition in which the solution has as much solute as it can sufficiently dissolve in it is called a saturated solution. In order to dissolve more solute, the solution must be heated and stirred properly. This is because as we increase the temperature, the solubility of a solution increases.
According to the question, we have a saturated sugar solution at a fixed temperature, and its temperature is decreased by 5-degree centigrade. This means the solution is cooled down. This causes a decrease in the saturation capacity of the solution. That means the solution could dissolve less solute at the final (lower) temperature than that could at the higher(initial) temperature. And so, the crystals of sugar will form after the temperature is decreased.