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  3. final concentration (ppm) absorbance (a.u.) 0.02

Final Concentration (ppm) absorbance (a.u.) 0.022 0.922 0.016 0.858 0.013 0.589 0.009 0.403 0.005 0.174 I cannot figure out the first question, y=? Based on the data above...

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Question

Chemistry

Final Concentration (ppm)absorbance (a.u.)
0.0220.922
0.0160.858
0.0130.589
0.0090.403
0.0050.174

I cannot figure out the first question, y=?

Based on the data above and using linear regression, determinethe relationship between absorbance (y) and concentration (x).

y = _______ x


What is the concentration of a solution with an absorbance of 0.71a.u.?

Answer: 0.0156 ppm

Answer & Explanation Solved by verified expert
4.3 Ratings (786 Votes)
Note that absorbance and concentration are directly related bythe Beers law equation given as followsWhereA absorbancec    See Answer
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