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The following are the experimental results of VLE of isopropanol (1) - water (2) mixture carried out at American Chemical Society lab for the temperature of 30C : The system follows modified Raoult's law at the given experimental conditions. Calculate the following: a) GE/RT and x1x2RTGE values b) Activity of water at various pressures c) Comment on the nature of the system and reasons for their behavoiur [5+2+3=10marks]