Experiment 2 Molecules, Moles, and Chemical Reactions

Experiment 2 Molecules, Moles, and Chemical Reactions -...

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Molecules, Moles and Chemical Reactions Sidney Sherrill Robert Barentine September 13 th , 2010 I certify that this work is my own. Sidney Sherrill
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Part I. NASA Needs Water Unknown # W Percent Water: After Heating Mass crucible, lid, and sample (g) after 1 st heating 21.402 Mass crucible, lid, and sample (g) after 2 nd heating 21.403 Mass anhydrous sample (g) .11 Before Heating Mass crucible + lid (g) 21.064 Mass crucible + lid + sample (g) 21.513 Mass sample, before heating (g) .439 Compounds Solubility Observations Solube (S) or Insolube (I) NaCl Dissolved; slightly opaque S KNO 3 Dissolved; slightly opaque S AgNO 3 Dissolved; clear S CaCO 3 Settled almost immediately after stirring I Na 2 CO 3 Dissolved; bright white color, very opaque S Pb(NO 3 ) 2 Partially dissolved; some solids floated on top of solution I CuSO 4 . 5H 2 O Dissolved; blue tinted water however still very transparent S CaSO 4 . 2H
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This note was uploaded on 09/07/2011 for the course CHEM 1310 taught by Professor Cox during the Fall '08 term at Georgia Tech.

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Experiment 2 Molecules, Moles, and Chemical Reactions -...

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