Assertion: benzoic acid's amount | /r/CapableOf | dissolve phthalic anhydride
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Source sentences:
text: The process for the production of pure benzoic acid which comiprises treating crude benzoic acid obtained from phthalic anhydride with a small amount of water which is sufficient to dissolve any phthalic acid and phthalic anhydride present, thereby hydrating the phthalic anhydride, and separating the solution from the benzoic acid.