9. Solutions
Dilutions
9. Solutions Dilutions
9PRACTICE PROBLEM
Determine the amount of water needed to add to 20.3 mL of a 2.78 M iron (III) chloride, FeCl3, stock solution to make a 2.50 M solution.
a) 20.9 mL
b) 22.57 mL
c) 0.28 mL
d) 2.27 mL
Determine the amount of water needed to add to 20.3 mL of a 2.78 M iron (III) chloride, FeCl3, stock solution to make a 2.50 M solution.
a) 20.9 mL
b) 22.57 mL
c) 0.28 mL
d) 2.27 mL