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CH 101 notes 10-31

CH 101 notes 10-31 - Polar and Non-Polar Regions Exist in...

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C H C H H O H C H H acetone δ - δ + polar region or “polar handle” nonpolar region or “non-polar handle” O H H Section 10.3 Polar and Non-Polar Regions Exist in the Same Molecule H 3 C C H 2 H 2 C C H 2 C H 2 H 2 C C H 2 CH 3 C O Slightly soluble in water C H C H H O H C H H acetone δ - δ + Polar handle nonpolar handle Miscible w/H 2 O Dissolves many organic substances hydrophilic hydrophobic Polar handle Nonpolar Nonpolar handle handle Section 10.3 Again, Size Does Matter H 3 C C H 2 O H H O H 3 C H 3 C H 2 C C H 2 O H H 3 C C H 2 H 2 C C H 2 O H H 3 C H 2 C C H 2 H 2 C C H 2 O H H 3 C C H 2 H 2 C C H 2 H 2 C C H 2 O H nonpolar polar Solubility of Alcohol Water Hexane 0.12 M 0.11 M 0.03 M 0.006 M CH 3 (CH 2 ) 4 CH 3 S C S Like dissolves like Like dissolves like a) Which solute is more soluble in water ? HBr or Br 2 b) Which solvent would best dissolve I 2 ? H 2 O or CS 2 c) Which solvent would best dissolve KCl ?
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