8. The mixture consists of mA (g) component A and mB (g) component B and is at a temperature t1 (С) (see table 9). Define:
a) the boiling point of the mixture;
b) the composition of the first vapor bubble;
c) end point of boiling of the mixture;
d) the composition of the last drop of liquid.
2. A mixture of the indicated composition was heated to a temperature t2 (С). Define:
a) the number of equilibrium phases;
b) composition of equilibrium phases;
c) number of degrees of freedom.
3. Does an azeotropic mixture form in this system?
System state diagrams are shown in fig. 1 and fig. 2 (pp. 26-27).
Table 9
Data for calculation

No. Substance A Substance B mA, g mV, g t1, С t2, С
10 CCl4 C2H5OH 154 92 61 70

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