Conductivity of Aqueous Solutions

Conductivity of Aqueous Solutions - Conductivity of Aqueous...

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Conductivity of Aqueous Solutions Purpose: In this experiment we’ll learn to classify substances as electrolytes and nonelectrolytes and then those that are electrolytes, we’ll learn how to classify them as strong or weak electrolytes and learn how to write net ionic equations. Introduction: Aqueous solutions of different substances are usually divided into two categories: electrolytes and non-electrolytes. Electrolytes are substances that conduct an electric current, they contain ions in solution. Nonelectrolytes do not contain ions in solution and therefore do not conduct electricity. Electrolytes are further divided into strong electrolytes- the ones that contain many ions in solution- and weak electrolytes – the ones that contain very few ions in solution. Some electrolytes ionize or dissociate completely, or nearly so, in aqueous solutions. The strong acids, strong bases and most soluble salts are in this category. Therefore, when these substances are put in solution we only have ions present. Weak electrolytes ionize or dissociate partially in aqueous solutions. Such solutions conduct current weakly since they contain very few ions in solution. The
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