Question

1. The solubility of benzoic acid in water is 6.80 g per 100 mL at 100 °C and 0.34 g per 100 mL at 25 °C.

1. Calculate the minimum volume of water needed to dissolve 1.00 g of benzoic acid at 100 °C.
2. Calculate the maximum theoretical percent recovery from recrystallization of 1.00 g of benzoic acid from 15 mL of water, assuming the solution is filtered at 25 °C.
3. How much benzoic acid can you dissolve in 25 mL of water at 100 °C?

Answer 1

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