21. Решение задачи по химии №002 121

2. From an alloy of 0.500 g, after dissolution and treatment with hydrogen peroxide, 300 cm3 of a colored solution was obtained, the optical density of which in a 5 cm cuvette is 0.150. Determine the mass fraction of titanium in the alloy (in%) if the molar absorption coefficient is 4000.

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