30. Solving a chemistry problem
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4. The spectrophotometric method was used to control the quality of the dosage form - acifein tablets - for the content of 4-aminophenol impurities in them. In five parallel determinations, the following content (mass fraction W) of the indicated impurity was found,%: 0.010; 0.010; 0.020;0.020; 0.030. Calculate the confidence interval W±ΔW and the relative error e of determining the mean result at a confidence level P=0.95. Answer: W ± ΔW \u003d (0.018 ± 0.010)% e \u003d 55.6%
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- Content description 42,33 kB
- Updated on the site 13.04.2023
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If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.
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