Unformatted text preview: 7.  Which of the following are characteristics of aqueous solutions?
Lgyvater has a strong dipole with a partial negative charge at the oxygen atom m ' ' u Ions \sz‘ liquid water consists of an extensive and rapidly fluctuating network of hydrogen—bonded
' water molecules . vD./the solubility of polar compounds in aqueous solutions is enhanced if they possess
Ll" functional groups that can hydrogen bond with water @ems A, C, and D above F. items B and C above 8.  Indicate, by circling its structure, which of the compounds shown below you would expect to
exhibit the greatest solubility in water at 25° C. Explain your answer. mﬁi is we soluble
Wm \4' cont-MAS a
RLWhOmt 0W1? “WW W"
Ndv’oaden loomE thH/‘WW 9.  When the pH of a solution changes from 4 to 6, what is the corresponding change in hydrogen ion concentration? 4- .. "4 _O 0001 M
, + H 3 \0
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:0! M"! I Mm 0.000le 06660:). M g
\% m%€%®'€md diWM£ MW} Twasmmmmm M w- 10.  What' Is the pH of a solution containing 7, puwwgmildog) w deodoféoomﬂi 11.  if the pH of a solution is 6, what is the pOH of that solution? 07 PH+ponlH 1' ...
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- Fall '10