The solubility of phthalic acid is 0.54 grams/100 ml at 14oC and 18 grams/100ml at 99oC.
1) How many milliters of boiling water are required to dissolve 20 grams of phthalic acid?
2) If the solution is cooled to 14oC, How many grams of phthalic acid would recrystallize out?