Benzene is one of the Toxic Air Pollutants (TAPS) found in car exhaust fumes When a 50.00 ml. aqueous sample containing a 0.05000 M benzene (molecular weight = 78.11g/mol) is extracted twice with 10 00 ml. portions of chloroform, it is found that 1.50x 10 moles of the original compound has been extracted into the chloroform i) Calculate the value of the partition coefficient for the extraction of benzene in water using chloroform A 2.75 B 2.91 C 7.51 D 2.81 ii) determine the extraction efficiency of a single extraction A. 0.575 B. 0.400 C. 0.368 D. 0.600 iii) determine the total volume of the chloroform which will be needed to extract 99% of the benzene from the aqueous phase A 50.72 mL B 150 00 mL C 110 00 mL
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Benzene is one of the Toxic Air Pollutants (TAPS) found in car exhaust fumes When a 50.00 ml. aqueous sample containing a 0.05000 M benzene (molecular weight = 78.11g/mol) is extracted twice with 10 00 ml. portions of chloroform, it is found that 1.50x 10 moles of the original compound has been extracted into the chloroform
i) Calculate the value of the partition coefficient for the extraction of benzene in water using chloroform
A 2.75
B 2.91
C 7.51
D 2.81
ii) determine the extraction efficiency of a single extraction
A. 0.575
B. 0.400
C. 0.368
D. 0.600
iii) determine the total volume of the chloroform which will be needed to extract 99% of the benzene from the aqueous phase
A 50.72 mL
B 150 00 mL
C 110 00 mL
D 46.28 mL.
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