44. (1) A weighed portion weighing 0.5000 g was dissolv
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44. (1) A weighed portion weighing 0.5000 g was dissolved in a flask with a capacity of 50.00 ml. Two samples of 20.00 ml were placed in flasks with a capacity of 50.00 ml. To one flask was added a solution containing 0.003000 g of vanadium. Hydrogen peroxide was added to both flasks and brought to the mark with water. Calculate the mass fraction of vanadium in steel, if the following optical densities of Ax = 0.2 Ax + St = 0.480
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- Updated on the site 31.07.2019
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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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