Question

12 Study the following phase diagram for an ideal mixture of two liquids A and B and answer the questions that follow: 102 94 81 Pressure/kPa 66 50 43 40 I DET 0 0.2 0.4 0.6 0.81 XA What is the vapour pressure for the pure compound B. 12.1 Page 2 of 4 [2 marks] 12.2 Determine the value for Xin a mixture of composition x = 0.30. [2 marks] 123 At what pressure will a mixture of composition X095 starts to boil? [2 marks] 12 At what pressure will all the liquid be removed in a mixture of composition = 0.34 o