How many milliliters of stock solution of 2.00 M KNO3 would you need to prepare 100.0 ml of .20 M KNO3 solution? Please show work/explain the answer Thank You!

1 answer

The easiest and quickest way to solve these dilution problems is to use the dilution formula.
mL1 x M1 = mL2 x M2
mL1 x 2.00M = 100.0 mL x 0.20 M
Solve for mL 1