A sample is diluted by adding 20 µL to 780 µL of water. Its absorbance is then 0.950. A standard sample of the same 3.0 mM compound gives an absorbance of 0.475. the concentration (M) of the test sample is:
A sample is diluted by adding 20 µL to 780 µL of water. Its absorbance is then 0.950. A standard sample of the same 3.0 mM compound gives an absorbance of 0.475. the concentration (M) of the test sample is:
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter10: Solutions
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Problem 65QAP: Twenty-five milliliters of a solution (d=1.107g/mL)containing 15.25% by mass of sulfuric acid is...
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Transcribed Image Text:A sample is diluted by adding 20 µL to 780 µL of water. Its absorbance
is then 0.950. A standard sample of the same 3.0 mM compound gives
an absorbance of 0.475. the concentration (M) of the test sample is:
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