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Unformatted text preview: Classifying Electrolytes Electrolytes are substances which, when dissolved in water, break up into cations (plus- charged ions) and anions (minus-charged ions). We say they ionize . Strong electrolytes ionize completely (100%), while weak electrolytes ionize only partially (usually on the order of 1–10%). That is, the principal species in solution for strong electrolytes are ions, while the principal specie in solution for weak electrolytes is the un-ionized compound itself. Strong electrolytes fall into three categories: strong acids , strong bases , and salts . (Salts are sometimes also called ionic compounds , but really strong bases are ionic compounds as well.) The weak electrolytes include weak acids and weak bases . Examples of strong and weak electrolytes are given below: Being Able to Classify Electrolytes Is Critical As chemists, we need to be able to look at a formula such as HCl or NaOH and quickly know which of these classifications it is in, because we need to be able to know what we are...
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This note was uploaded on 05/14/2010 for the course CHEMISTRY 3150:153 taught by Professor Hu,jun during the Spring '10 term at Kent State.
- Spring '10