Chapter7: Solutions And Colloids
Section: Chapter Questions
Problem 7.107E
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Please help to calculate a dilution factor and the amount of mg in the vitamin.
There are 1.13 ppm of iron. An unknown vitamin was dissolved in 25 ml of 6 M of HCl. Then brought up to 100 mL with DI water.
Dilute 5.00 mL of solution A to 100.0 mL in a 100.0-mL volumetric flask. This is Solution B.
Transfer 10.00 mL of Solution B to a 100.0-mL volumetric flask.
Based on this dilution, the dilution factor is 200, so how many mg of iron is in vitamin?
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