An ideal solution has two components \( A \) and \( B . A \) is more volatile than \( B \), i.e....

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An ideal solution has two components \( A \) and \( B . A \) is more volatile than \( B \), i.e., \( P_{A}^{\circ}P_{B}^{\circ} \) and also \( P_{A}^{\circ}P_{\text {total }} \). If \( X_{A} \) and \( Y_{A} \) are mole fractions of components \( A \) in liquid and vapour phases, then:
(a) \( X_{A}=Y_{A} \)
(b) \( X_{A}Y_{A} \)
(c) \( X_{A}Y_{A} \)
(d) Data insufficient
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