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Ideal and regular solutions question

can someone please help me with this question or provide a resource that will help. Thank you!

On your axes, sketch and label the expected shape of the
curve for an IDEAL solution. (1 mark)

(ii) On the SAME graph, sketch and label the expected shape of the curve for a REGULAR solution that is at a temperature
below its upper critical solution temperature. (1 mark)

(iii) Draw arrows to any minima or maxima on your curve for an IDEAL solution, and write the composition (that is, the value of xB) at the point(s) indicated. (1 mark)

(iv) Draw arrows to any maxima on your curve for the REGULAR solution and write the composition (that is, the value of xB) at the point(s) indicated.

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