A 1.0 g sample of benzoic acid is contaminated with 0.05 g of salicylic acid. Solubilities in water of the two compounds are given in the following table.
(a) What volume of boiling water is needed to dissolve the 1.0 g of benzoic acid?
(b) How much benzoic acid will crystallize after cooling to 20?C?
(c) Will any salicylic acid crystals also form?
(d) Will the benzoic acid be pure?
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