GKFix MCQ Question

What is the formula used to calculate the total vapor pressure of the solution?

• A. p_total = x1p1⁰ + x2p2⁰
• B. p_total = x1p2⁰ + x2p1⁰
• C. p_total = p1⁰ + (p2⁰ – p1⁰)x2
• D. p_total = x1p1⁰ – x2p2⁰