What Is the Maximum Percent Recovery Using Water for Recrystallization?

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SUMMARY

The maximum percent recovery of salicylic acid using water as a recrystallization solvent is approximately 96.7%. This calculation is based on the solubility of 1 gram of salicylic acid in 460 mL of water at room temperature and 15 mL of boiling water. The percent recovery is determined by the ratio of the volume of water used (15 mL) to the total volume of water (460 mL), resulting in a solubility percentage of 3.26%. Therefore, the total yield is calculated as 100% minus 3.26%.

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One gram of salicylic acid dissolves in 460 mL of water at room temperature and 15 mL of boiling water. What is the maximum percent recovery that can be achieved using water as a recrystallization solvent assuming the recrystallization mixture is not cooled below room temp.?

So I assumed we use 15 mL water. So all the solvent dissolves. The solvent is then lowered to room temperature and 15/460=3.26%.

Total Yield=100%-3.26%=96.7% approx.

Does that look right?
 
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Looks correct to me. Good job.
 

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