Asked by Stella
A 20 ml sample of river water is diluted to 100 ml and AAS used to analyse its Cd content. The absorbance is found to be 0.100. 1 ml of a standard solution containing 10 ppm of Cd is then added and the absorbance is 0.200. Which of the following is the best estimate of the Cd content of the river water?
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Answered by
DrBob222
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