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July 29, 2015

Homework Help: Chemistry

Posted by Adam on Friday, September 21, 2012 at 11:34am.

A 1.00 g sample of enriched water, a mixture of H2O and D2O, reacted completely with Cl2 to give a mixture of HCl and DCl. The HCl and DCl were then dissolved in pure H2O to make a 1.00 L solution. A 25.00 mL sample of the 1.00 L solution was reacted with excess AgNO3 and 0.3800 g of an AgCl precipitate formed. What was the mass % of D2O in the original sample of enriched water?

I am confused with how to go about answering this question, if someone could help me it would be greatly appreciated.

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