Caffeine is about 10 times as soluble in hot water as in cold water. A chemist puts a hot-water extract of caffeine into an ice bath, and some caffeine crystallizes. Is the remaining solution saturated, unsaturated, or supersaturated and why?

In our problem, Caffeine solution was saturated when it was in hot water because it was at a temperature where the solubility is high. Immediately it was introduced to an ice bath, a new temperature is recorded. At that lower temperature only a very less amount of caffeine is needed to saturate the solution, hence the excess crystallizes out and makes the solution super-saturated

adefioyelaoye adefioyelaoye · Answer 2 · 2022-03-08T12:06:29+01:00

The remaining solution is referred to as being saturated.

What is a Saturated solution?

This is a type of solution in which there is so much solute that if more was added, it would not dissolve.

The caffeine crystallizing when placed in a cold bath with lesser solubility properties means that the caffeine couldn't dissolve again hence the reason why the crystals were seen.

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