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Chemistry Solved_Part_27 - _moles Experimental gram...

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©2010 Digital Interactive Video Education Week 15 80 Mass of test tube: _________________g Mass of KClO 3 : _________________g Mass of KClO 3 plus MnO 2 : _________________g Mass of test tube plus mixture after heating: _________________g Volume of water collected in beaker: ________________mL Water temperature ___________°C Partial pressure of water vapor at this temperature: ____________mm Hg Barometric pressure ____________mm Hg Results: Mass of oxygen converted to a gas ________________g Volume of oxygen collected at STP: _____________mL Moles of oxygen colleced at STP
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Unformatted text preview: ______________moles Experimental gram molecular mass of oxygen: _____________g/mole ©2010 Digital Interactive Video Education Week 15 81 Discussion: 1. Was your hypothesis correct? Find % error. 2. List at least three sources of error. 3. Considering the question answered in this experiment, list some similar questions that could be answered by conducting a science experiment. ©2010 Digital Interactive Video Education Week 16 82 Week 16 STUDY FOR QUARTERLY EXAM 2 COVERS LESSONS 14-31...
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