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November 28, 2014

Homework Help: Chemistry

Posted by emman on Wednesday, October 19, 2011 at 4:45pm.

3. The solubility of BaSO4 at 25C is 9.04 mg/L. Based on this, how many grams and moles of BaSO4 remained dissolved in the 100 mL of solution? What percent of your yield does this represent?
2. The precipitate is washed with warm water not cold, why is this? What might happen if cold water was used? How would this affect the measured yield of BaSO4?

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