How many grams of sucrose are needed to make 645 mL of a 32.0% (w/v) sucrose solution

Answer 1

32% w/v means 32 g sucrose/100 ml soln

32 g/100 ml x 645 ml = 206.4 g = 206 g (3 sig fig)

Answer 2

32g sucrose/100gsucrose x 1.54g/ml x 645 ml = 317g of sucrose

1.54g/ml density of sucrose