Chemical Engineering > GATE 2025 > Phase Equilibria
Components A and B form an azeotrope. The saturation vapour pressures of A and B at the boiling temperature of the azeotrope are 87 kPa and 72.7 kPa, respectively. The azeotrope composition is ______ mol% A (rounded off to the nearest integer).
GIVEN: ln(γA/γB)=0.9(xB2-xA2)

Correct : 45

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azeotrope composition chemical engineering GATE 2025 vapour pressure azeotrope saturation vapour pressure chemical engineering problems azeotrope boiling point vapour pressure equation GATE chemical engineering 2025 azeotrope mol% A

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