यदि \(X_A = 0.5\), \(P_A^\circ = 100\), \(X_B = 0.5\), और \(P_B^\circ = 200\) हैं, तो कुल वाष्प दाब कितना होगा?
If \(X_A = 0.5\), \(P_A^\circ = 100\), \(X_B = 0.5\), and \(P_B^\circ = 200\), what is the total vapour pressure?
Explanation opens after your attempt
C. (150)
Concept
पहले \(P_A = X_A P_A^\circ = 0.5 \times 100 = 50\) निकालें। / First calculate \(P_A = X_A P_A^\circ = 0.5 \times 100 = 50\).
Why this answer is correct
फिर \(P_B = X_B P_B^\circ = 0.5 \times 200 = 100\) मिलेगा। / Then \(P_B = X_B P_B^\circ = 0.5 \times 200 = 100\).
Exam Tip
कुल दाब (50 + 100 = 150) होगा। / Total pressure is (50 + 100 = 150).
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