Question #201603

A solution of 0.640 g of epinephrine in 36.0 g of CCl4 elevates the boiling point by 0.490°C. Kb = 5.02 °C m -1 and Kf = 29.8 °C m -1 for CCl4. (a) What is the molality of the solution?


1
Expert's answer
2021-06-01T07:00:23-0400

∆Tb= 0.49°C

kB= 5.02°C

∆Tb=kb×m

0.49=5.02×m

m= 0.097molal



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