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July 24, 2014

Homework Help: Chemistry

Posted by Lucy on Sunday, September 25, 2011 at 6:28pm.

Some solid calcium oxide in a test tube picks up water vapor from the surrounding to change completely into solid calcium hydroxide. An observed total initial weight (calcium oxide + test tube) f 10.860g goes eventually to 11.149g. What is the weight of the test tube?

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