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Assume the solubility of benzoic acid in ice-cold water is 1.70 g/L and the solubility of benzoic acid in hot water is 68.0 g/L. Calculate the minimum volume of water (in mL) needed to recrystallize 0.350 g of benzoic acid.

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3 answers
  1. You are a bad bad person. LOLWAT. Just stumbled on this looking for the answer, hahaha!

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  2. This should be solved the same way that you would solve for volume if density was given to you instead of solubility.

    Solubility=g/L

    So mass of benzoic acid/solubility in H20= volume needed in L

    Perform this step for each of the solubilities and multiply your answer by 10^3 to convert from L to mL.

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  3. 2 years later and you guys are still saving me. Thank you :)

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