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Degree of Solubility
| If you were to look up a chemical in the "Handbook of Chemistry and
Physics" to find out whether it was soluble or not, you might find that it says that
the material is soluble, or that it's insoluble, or that it's slightly soluble; or you
might find a number. |
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| In those cases where a number is given, it is the number of grams of the
material that will dissolve in 100 cubic centimeters of water. The degree of
solubility of a chemical is often expressed in grams per 100 cc, that is, grams
of the material that will dissolve in 100 cc (or ml) of water. |
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| The temperature does influence the degree of solubility. You can see that
values are given for solubility in both cold water and hot water. Sometimes the actual
temperature at which the measurement was made is given as a superscript. Notice that for
the first compound the solubility decreases when the temperature goes up. More often the
solubility will increase when the temperature goes up. |
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E-mail instructor:
Eden Francis
Clackamas Community College
©1998, 2003 Clackamas Community College, Hal Bender
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