(a) The presence of ethylene in samples of ethane was determined by using the absorbance band...
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(a) The presence of ethylene in samples of ethane was determined by using the absorbance band of ethylene at 1443 cm . A series of standards gave the following data % of ethylene Absorbance (i) (ii) 0.50 0.120 1.00 0.240 2.00 0.480 3.00 0.719 Explain how the absorbance of ethylene was determined. (4 marks) Calculate the percentage of ethylene in an unknown sample that had an absorbance of 0.634 when the same cell and instrument were used. (4 marks) (a) The presence of ethylene in samples of ethane was determined by using the absorbance band of ethylene at 1443 cm . A series of standards gave the following data % of ethylene Absorbance (i) (ii) 0.50 0.120 1.00 0.240 2.00 0.480 3.00 0.719 Explain how the absorbance of ethylene was determined. (4 marks) Calculate the percentage of ethylene in an unknown sample that had an absorbance of 0.634 when the same cell and instrument were used. (4 marks)
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Related Book For
Accounting
ISBN: 978-0324401844
22nd Edition
Authors: Carl S. Warren, James M. Reeve, Jonathan E. Duchac
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