Calculate the mass of solute necessary to prepare 500 ml of a sugar solution whose concentration is 5 g/l

To determine how much solute is needed to prepare 5g/L concentration: $$ \frac{5\:grams}{liters}=\frac{x\:grams}{500\:mL}\times\frac{1000\:mL}{1\:liter} $$$$ x=2.5\:grams $$ ANSWER: 2.5 grams solute