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Chemistry, 12.07.2019 21:10 jerryG6171

Acompound with a molecular mass of 292.16 was dissolved in water in a 5 ml volumetric flask and the solution made up to the mark. a 1.00 ml aliquot was taken and then placed in a 10 ml volumetric flask and diluted to the mark. the absorbance of this final solution at 340nm was 0.427 in a 1 cm cuvette. the molar absorptivity for this compound is 6130 m1cm1 (a) calculate the concentration of the sample in the cuvette. (b) calculate the concentration of the sample in the 5 ml flask in ppm (c) how many grams of the solid compound were used to make the 5 ml solution?

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Acompound with a molecular mass of 292.16 was dissolved in water in a 5 ml volumetric flask and the...
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