GKFix MCQ Question

What is the correct expression for the relative lowering of vapor pressure?

• A. (p₁⁰ – p₁)/p₂⁰
• B. (p₁⁰ – p₁)/p₁⁰
• C. (p₂⁰ – p₁)/p₁⁰
• D. (p₁⁰ – p₂)/p₁⁰