Science Homework Help

1) The solubility of solid R in water is: 0.71 g/100 mL at 0°C, 24.0g/100 mL at 100°C.
a) How many mL of boiling water are required to dissolve 94.5 g of R?(report to the nearest mL)
If solution were cooled to 0°C, how many grams of R would crystallize out? (report to one
decimal place) (Show calculations)