(a) During the distilling apparatus setting up, you are told to add boiling stones to the acetone/chloroform mixtures. Why is that, explain. (b) What will happen if you do not turn on the water for the condenser during the distillation process of acetone/chloroform mixtures. (i) (c) Suppose that distillation process has started, and you are about to collect the first samples liquid and vapor (vials 1L and 1V). AND according to the following statements: When the distillation is proceeding at a normal (not excessive) rate at about the desired temperature, quickly replace the receiver with a vial and read the thermometer. After about 2 mL has been collected, read the thermometer again, replace the receiver, and stopper the vial. Lower the heating mantle. After the flask has cooled 10° or 20°, record the temperature, remove the stopper at the top of the flask and insert a pipette equipped with a pipette filler. Fill the pipette, discharge it into the appropriate vial, and stopper the vial. Answer the following question with reference to the above statements in c (i and ii): Which sentence(s) above, (i) or (ii) provides the information for the first temperature reading for 1L and which one provide the information for the first temperature reading for 1V.
(a) During the distilling apparatus setting up, you are told to add boiling stones to the acetone/chloroform mixtures. Why is that, explain. (b) What will happen if you do not turn on the water for the condenser during the distillation process of acetone/chloroform mixtures. (i) (c) Suppose that distillation process has started, and you are about to collect the first samples liquid and vapor (vials 1L and 1V). AND according to the following statements: When the distillation is proceeding at a normal (not excessive) rate at about the desired temperature, quickly replace the receiver with a vial and read the thermometer. After about 2 mL has been collected, read the thermometer again, replace the receiver, and stopper the vial. Lower the heating mantle. After the flask has cooled 10° or 20°, record the temperature, remove the stopper at the top of the flask and insert a pipette equipped with a pipette filler. Fill the pipette, discharge it into the appropriate vial, and stopper the vial. Answer the following question with reference to the above statements in c (i and ii): Which sentence(s) above, (i) or (ii) provides the information for the first temperature reading for 1L and which one provide the information for the first temperature reading for 1V.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
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Transcribed Image Text:(a) During the distilling apparatus setting up, you are told to add boiling stones to the
acetone/chloroform mixtures. Why is that, explain.
(b) What will happen if you do not turn on the water for the condenser during the distillation
process of acetone/chloroform mixtures.
(i)
(c) Suppose that distillation process has started, and you are about to collect the first
samples liquid and vapor (vials 1L and 1V). AND according to the following statements:
When the distillation is proceeding at a normal (not excessive) rate at about the
desired temperature, quickly replace the receiver with a vial and read the
thermometer. After about 2 mL has been collected, read the thermometer again,
replace the receiver, and stopper the vial. Lower the heating mantle.
After the flask has cooled 10° or 20°, record the temperature, remove the stopper at
the top of the flask and insert a pipette equipped with a pipette filler. Fill the pipette,
discharge it into the appropriate vial, and stopper the vial.
Answer the following question with reference to the above statements in c (i and ii):
Which sentence(s) above, (i) or (ii) provides the information for the first temperature reading
for 1L and which one provide the information for the first temperature reading for 1V.
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