Determine the volume you should dilute 78.0 mL of a 3.50 M KCl solution so that 50.0 mL of the diluted solution contains 5.09 g of KCl.

• A. 200.9 mL
• B. 399.72 mL
• C. 199.27 mL
• D. 340.00 mL

Answer: (C)