To make 20 mL of a 0.1 g/L solution from a 10 mg/mL stock solution,you should add _____ mL of the stock solution to _____ mL of solvent.

Question

Quizplus · Accepted Answer

To make a 0.1 g/L solution, you need 0.002 g (0.1 g/L * 0.02 L) of solute. The stock solution is 10 mg/mL, which is 0.01 g/mL. Therefore, you need 0.2 mL of the stock solution (0.002 g / 0.01 g/mL) and 19.8 mL of solvent to make 20 mL of the desired solution.

To Make 20 ML of a 0