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3 cards from this section. Quick, good the night before a test.
Define the term Acid Dissociation Constant (Ka).
It measures acid strength.
What does a high Ka value indicate?
Think about complete vs. partial dissociation.
What does the Acid Dissociation Constant (Ka) represent?
Focus on the definition of Ka.
True or False: A higher Ka value indicates a weaker acid.
Consider what dissociation means in terms of strength.
A weak acid HA has a concentration of 0.1 M and has an equilibrium concentration of H⁺ at 0.006 M after dissociation. Calculate the Ka and the percent ionization.
Define equilibrium concentration with respect to the initial concentration.
A solution contains 0.050 M of a weak acid with a Ka of 3.20 × 10⁻⁴. Calculate the equilibrium concentrations of all species when it reaches equilibrium.
Set up the equilibrium expression correctly to find the concentration.
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