The concentration of a dilute aspirin solution is 0.000529 m. standard solutions of this compound were used to prepare a beer/'s law plot which gives a slope of 1550.7 m-1. what is the expected absorbance value for the aspirin solution?

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Chemistry

Clare

6 September, 04:52

The concentration of a dilute aspirin solution is 0.000529 m. standard solutions of this compound were used to prepare a beer/'s law plot which gives a slope of 1550.7 m-1. what is the expected absorbance value for the aspirin solution?

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Coleman · Answer 1

From Beer-Lambert's law' A = ECl Since the slope is 1550.7 thus A = 1550.7 * 0.000529 M = 0.8203203 Since A = Log (Io/I) and T% = I/Io * 100% Io/I = AntiLog (A) and hence T% = { 1 / AntiLog (A) } * 100% T%={1/AntiLog 0.8203203) * 100% T%=0.8601654108*100% T% =.860