AP CHEM

is there some rule on weak and strong electrolytes and the amount of concentration requiered for each? for example are weak electrolytes supposed to have low concentrations and vice versa for strong electrolytes? if so cna you please explain why as well?

Thank you so much! :)

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asked by Sally
  1. There are some rules and that governs weak and strong electrolytes.
    By definition, a strong acid is one that ionizes 100%. A strong base is one that ionizes 100%. A weak acid or weak base ionize only partially; i.e., less than 100% (such as acetic acid etc). A solute that is completely ionized (or almost completely ionized or dissociated) is a strong electrolyte and their solutions are good conductors of electric current. Strong acids, strong bases, and soluble ionic salts that are not weak acids or weak bases are strong electrolytes.
    The words strong and weak don't have anything to do with concentrations. You can have a concentrated solution (meaning a high molarity or molality) of a weak acid or weak base (or weak electrolyte) and you may have a dilute solution of a strong acid or base or electrolyte. A 0.0000001M HCl is a dilute solution of a strong acid; a 17 M solution of acetic acid is a concentrated solution of a weak acid. Hope this clears up the problem.

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    posted by DrBob222

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