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1.Given the following mole fraction and vapor pressures for miscible liquids A and B, calculate the...

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Chemistry

1.Given the following mole fraction and vapor pressures formiscible liquids A and B, calculate the composition (in molepercentage) of the vapor from a distilling an ideal binary solutionat 150°C and 760 mmHg for the solution

XA=0.50                       PA=1710mmHg

XB=0.50                       PB=130mmHg

2. Define the following.

Refluxing

Dalton’s Law

Raoult’s Law

3. What is the mole fraction of each component if 4.0 g ofbenzene (C6H6) is dissolved in 6.4 g oftoluene (C7H8)?

4. Consider the following solvent pairs. If mixed together,which pairs would form two layers? If they form two layers, whichsolvent would be on top?

Acetone and toluene

Methanol and hexanes

Hexanes and methylene chloride

Hexanes and water

5 .Chloroform is an excellent solvent for extracting caffeinefrom water. The distribution coefficient KD=(Cchloroform)/(C water) for caffeine in chloroform- water is 10 °C atroom temperature. Find the mass of caffeine that would be removedfrom a solution 4.0 g of caffeine in 100ml of water using a singleextraction of 100 ml of chloroform.

Answer & Explanation Solved by verified expert
3.9 Ratings (568 Votes)
Q1 if ideal XA050 PA1710mmHg XB050 PB130mmHg Ptotal XAPA XBPB 051710 13005 855 mm Hg 2 Define the following Refluxing    See Answer
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