Organic Chemistry essay

POST-LABORATORY QUESTIONS EXPERIMENT 1 (7 Points)Measuring Melting Points of Compounds and Mixtures1. Shown below is a melting point diagram of a mixture of compounds A and B (the mass % of B alone is shown along the X-axis and the Y-axis shows temperature).Based on this diagram, please answer the following questions. (a) [1] What is the melting point of pure A?(b) [3] A 100 g mixture composed of 90 g of A and 10 g of B is heated.• At what T does this mixture begin to melt?• What is the composition of melted mixture (g of A and g of B) at that T, and how is it called? Show your calculations.• At what T is the whole mixture completely melted?22. An unknown compound has a melting point of 158–164 °C. (a) [1] Is this compound pure? Justify your answer. (b) [2] The unknown compound is either pure compound A, B, or C. Mp (A) = 162–164 °C; Mp (B) = 168–170 °C; Mp (C) = 158–160 °C.• Based on melting points of A, B, and C shown above, which of the three compounds is most likely the unknown, and why?• What experiment would you suggest in order to confirm your choice?
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