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an experiment was preformed under identical conditions as yours. The absorbance of the penny solution was...

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Chemistry

an experiment was preformed under identical conditions as yours.The absorbance of the penny solution was recorded as 0.231absorbance units. A calibration plot of absorbance vs concentrationof cu(II) (mM) yielded the following trendily equations y= 11591x+.50

a. What is the concentration of the original penny solution?

b. How many grams of Cu are in this solution?

c. if the percent Cu was determined to be 2.70 percent what wasthe mass of the penny?

Answer & Explanation Solved by verified expert
4.1 Ratings (575 Votes)
This problem is based on BeerLambert law whose mathematical equation is A e x b x C 1 Where A absorbance e epsilone molar absorptivity in unit L cm mol b path length of cellcuvette 100 cm C concentration of the    See Answer
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