How much of a 2.5 M stock solution do you need to make 300 mL of a 0.35 M solution? How much water would you need to add to make the final volume 300 mL? A. X mL of the 2.5 M stock solution and Y mL of water.
B. Z mL of the 2.5 M stock solution and W mL of water.
C. P mL of the 2.5 M stock solution and Q mL of water.
D. R mL of the 2.5 M stock solution and S mL of water.