145. Solving a chemistry problem
Seller: Derkach
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Product description
- When determining tin in bronze by the method of comparison, a portion of bronze weighing 0.2500 g was dissolved in a mixture of acids and transferred to a volumetric flask with a capacity of 100.00 ml. Atomic absorption at 286.3 nm of this solution and the standard with a concentration of 1.0000 mg of Sn in 1.00 ml was found to be 6.5 and 9.0 units of the scale, respectively. Determine the mass fraction of tin in bronze.
Additional information
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