GKFix MCQ Question

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

• A. Δp₁ / p₁⁰ = x₁
• B. Δp₁ / p₁⁰ = x₂
• C. Δp₁ / p₂⁰ = x₂
• D. Δp₂ / p₁⁰ = x₂