97. Решение задачки по химии №009 702

8. The molar absorption coefficient of the complex of lead with dithizone at 485 nm is 6.80*104. The optical density of the test solution in a cuvette with l=2.00 cm is 0.450. What is the molar concentration and titer of lead. Answer: 3.31 * 10-6 mol / l: 0.686 μg / ml

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