The following data have been reported for the constant-pressure heat capacity of a benzene–carbon tetrachloride mixture at 20°C.

On a single graph plot the constant-pressure partial molar heat capacity for both benzene and carbon tetrachloride as a function of composition.

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wt% CC14 Cp (J/g °C) 1.7655 1.630 1.493 1.358 1.222 1.100 0 10 20 30 40 50 wt % CC14 60 70 80 90 100 Cp (J/g °C) 1.004 0.927 0.858 0.816 0.807