Provide the final volume (in milliliters) of an 8.00% (m/v) RbCl solution obtained from the dilution of a 20.0% (m/v) RbCl solution with a volume of 40.0 mL.

• A. 100. mL
• B. 75.0 mL
• C. 50.0 mL
• D. 80.0 mL

Answer: (A)