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Unformatted text preview: o Record weight Escaping KCl will appear as a white cloud leaving the test tube Place the glass wool on the mouth of the test tube after the test tube has been weighed. Clamp the test tube at a 45 degree angle on the ring stand and heat contents o If you ever see white smoke, remove from heat and let cool. After 8mins of gentle heating. . Heat on high for about ten minutes Allow temperature to cool at room temperature Weight the test tube o Record the data Reheat again for 10 mins Let cool to room temperature From your data measure the evoloving mass of O2...
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This note was uploaded on 06/26/2011 for the course CHEM 153 taught by Professor Durham during the Spring '10 term at Saint Louis.
- Spring '10