Lab 1 - Student TAs Name: Alma Pipic Name: Jau-Ann Tsai...

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Student TA’s Name: Alma Pipic Name: Jau-Ann Tsai Section # CHEM 101-87H Experiment # 1 Date of the experiment: October 6 th , 2010 Title: Conductivity of Solutions Introduction There are two types of chemical compounds: ionic or molecular. Ionic compounds are called electrolytes, while molecular compounds are called non electrolytes. They differ in their ability to conduct electricity when dissolved in water. In order for an aqueous solution to conduct electricity, it must contain ions. Ionic compounds, when dissolved in water, produce ions because they dissociate. In contrast, molecular compounds, when dissolved in water, do
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not produce ions because they do not dissociate. The molecular compound is forced to stay together, while the ionic compound breaks up into ions (thus having the freedom to move around and therefore conduct electricity). The three categories used to classify the types of solutions are: strong electrolytes, nonelectrolytes, and weak electrolytes. Strong electrolytes (ionic compounds) dissociate completely into ions, enabling them to conduct electricity (they show a high value of
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Lab 1 - Student TAs Name: Alma Pipic Name: Jau-Ann Tsai...

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