The peak integrations of a chromatogram resulting from a GC analysis of a mixture containing component X and component Y (of a fractional distillation) shows the following data: Component X - Area = 64.3 sq units Component Y - Area = 156.5 sq units What was the percentage composition of the compounds X &Y in the mixture? X= 39.1%, Y= 60.9% X= 29.1%, Y= 70.9% X= 48.1%, Y= 51.9% X= 70.9%, Y= 29.1%
The peak integrations of a chromatogram resulting from a GC analysis of a mixture containing component X and component Y (of a fractional distillation) shows the following data: Component X - Area = 64.3 sq units Component Y - Area = 156.5 sq units What was the percentage composition of the compounds X &Y in the mixture? X= 39.1%, Y= 60.9% X= 29.1%, Y= 70.9% X= 48.1%, Y= 51.9% X= 70.9%, Y= 29.1%
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
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![The peak integrations of a chromatogram resulting from a GC analysis of a mixture
containing component X and component Y (of a fractional distillation) shows the
following data:
Component X - Area = 64.3 sq units
Component Y - Area = 156.5 sq units
What was the percentage composition of the compounds X & Y in the mixture?
X= 39.1%, Y= 60.9%
X= 29.1%, Y= 70.9%
X= 48.1%, Y= 51.9%
X= 70.9%, Y= 29.1%](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F662601a0-18b2-4601-928e-570472adf6eb%2F8a872ba0-4f44-42fc-b36f-11f23f9a2310%2Ffqum8k_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The peak integrations of a chromatogram resulting from a GC analysis of a mixture
containing component X and component Y (of a fractional distillation) shows the
following data:
Component X - Area = 64.3 sq units
Component Y - Area = 156.5 sq units
What was the percentage composition of the compounds X & Y in the mixture?
X= 39.1%, Y= 60.9%
X= 29.1%, Y= 70.9%
X= 48.1%, Y= 51.9%
X= 70.9%, Y= 29.1%
![5.20 g of tea leaves were used for the extraction of caffeine in a laboratory experiment, If the mass of crude caffeine obtained and the mass of pure caffeine recovered after recrystallization are 0.166 g
and 0.082 g respectively, what is the percentage yield of pure caffeine from the tea leaves?
O 2.10%
O 2.30%
O 1.58%
O 3.62%](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F662601a0-18b2-4601-928e-570472adf6eb%2F8a872ba0-4f44-42fc-b36f-11f23f9a2310%2Fh6bbmzf_processed.jpeg&w=3840&q=75)
Transcribed Image Text:5.20 g of tea leaves were used for the extraction of caffeine in a laboratory experiment, If the mass of crude caffeine obtained and the mass of pure caffeine recovered after recrystallization are 0.166 g
and 0.082 g respectively, what is the percentage yield of pure caffeine from the tea leaves?
O 2.10%
O 2.30%
O 1.58%
O 3.62%
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