1. If you knew you were purifying 1.3 g of phenacetin and no acetanilide was present, how much water would you use to conduct the recrystallization? Show your calculations.

2. What are the two ways to improve the amount or rate of crystal formation? Describe how each technique works.

3. How can melting point validate the purity of a compound?

*-Solubilities are in grams of solid per 100mL of water