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Solution Concentration

The amount of compound dissolved in a solution can be calculated and expressed numerically.

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How represented are we?

Is the class concentrated?

Credit: www.audio-luci-store.it
Source: http://flic.kr/p/chf4im
License: CC BY-NC 3.0

[Figure1]

Statisticians love to study general trends.  US Census Demographers collect certain data, such as how many people of a certain group are represented in the population and if another minority is not as represented.  In Chemistry, we don’t study people per se, but this idea of something being more represented in the same amount of solvent can be put into play.   

Creative Applications

1.  Start with a quick headcount of the people who are in one of your classes.  How many people wear glasses?  What percentage of your class wears glasses?

2.  When you go to another class, repeat the same process.  How many wear glasses, and what percentage wears glasses?

3. Relatively speaking, which group has better vision(don’t wear glasses)?

4.  Using the terms concentrated and dilute, which class the more concentrated amount of people who wear glasses?


 

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  1. [1]^ Credit: www.audio-luci-store.it; Source: http://flic.kr/p/chf4im; License: CC BY-NC 3.0

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