A solution containing 2.30 mM of X (analyte) and 1.15 mM of S (standard) gave peak areas of 1728 and 6482, respectively, in a chromatographic analysis. Then, O.620 mL of 3.82 mM S was added to 2.75 mL of unknown X and the mixture was diluted to 10.0 mL. This solution gave peak areas 2501 and 2281 for X and S, respectively. Find the concentration of X in the original unknown.

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A solution containing 2.30 mM of X (analyte) and 1.15 mM of S (standard) gave peak
areas of 1728 and 6482, respectively, in a chromatographic analysis. Then, O.620 mL
of 3.82 mM S was added to 2.75 mL of unknown X and the mixture was diluted to
10.0 mL. This solution gave peak areas 2501 and 2281 for X and S, respectively. Find
the concentration of X in the original unknown.
Transcribed Image Text:A solution containing 2.30 mM of X (analyte) and 1.15 mM of S (standard) gave peak areas of 1728 and 6482, respectively, in a chromatographic analysis. Then, O.620 mL of 3.82 mM S was added to 2.75 mL of unknown X and the mixture was diluted to 10.0 mL. This solution gave peak areas 2501 and 2281 for X and S, respectively. Find the concentration of X in the original unknown.
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