With reference to Figure 12-20, which is the more volatile liquid, benzene or toluene? At approximately what temperature does the less volatile liquid have the same vapor pressure as the more volatile one at 65 °C?

Figure 12-20

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6.75 - 6.50- 6.25- 6.00- 5.75 - 5.50- 5.25 5.00- 4.75 - 4.50- 4.25- 4.00- Aniline, CHẠNH, O Toluene, Water, C6H-CH3 H₂O Benzene, C6H6 Diethyl ether, CH₂CH₂)20 1 1 1 I 1 I 1 1 1 I I 1 I 1 1 I I 1 1 21 22 23 24 25 26 27 28 29 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4.0 1/TX 103