What is the mass/volume percent (m/v) of the solute MgCl₂ if a 50.0 mL sample of MgCl₂ solution contains 8.00 grams of MgCl₂?

• A. 25.0% (m/v)
• B. 50.0% (m/v)
• C. 8.00% (m/v)
• D. 16.0% (m/v)

Answer: (D)