Which of the following is the correct procedure to make 150 mL of a 1.2M solution from an 8M stock solution? Measure out 127.5 mL of stock solution and add 22.5 mL of water to it. Measure out 22.5 mL of stock solution and add 150 mL of water to it. Measure out 150 mL of stock solution and add 22.5 mL of water to it. Measure out 22.5 mL of stock solution and add 127.5 mL of water to it.