6. Solving a chemistry problem
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9(3). To determine iron (III) in concentrated sulfuric acid in the form of sulfosalicylate, a sample is placed in a flask with a capacity of 100.0 ml, the necessary reagents are added and the mixture is made up to the mark with water. Measure the optical density at λeff. = 420 nm (ελ = 6*10^3) and cuvette thickness L cm. Calculate the weight of iron sample for analysis if the optimal density value is 0.435.
wFe(III),% 0.010
L.cm 1.0
wFe(III),% 0.010
L.cm 1.0
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- Content type File
- Content description 13,79 kB
- Updated on the site 08.08.2023
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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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