6. The content of molybdenum in steel is 0.3%. What should be the weight of this steel, dissolved in 100 ml, so that the molybdenum content in the test solution does not exceed 0.5 mg? The test solution is prepared from an aliquot of the initial solution - 20 ml in a 50 ml volumetric flask

If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.