12. Solving a chemistry problem
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12. Solving a chemistry problem
9. The optical density of the furacilin solution in the analyzed solution measured on the KFK-2 photoelectrocolorimeter with a certain light filter was 0.32, and the optical density of the standard furacilin solution with a concentration of 0.010 mg / ml was 0.56. Calculate the mass of furacilin in 50.0 ml of the analyzed solution.
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