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2 cards from this section. Quick, good the night before a test.
Define a weak acid.
Think about how it behaves in water.
What is the relationship between Ka and the strength of a weak acid?
Consider which acids donate protons more effectively.
What characterizes a weak acid?
Think about what happens in a solution with a weak acid.
True or False: The conjugate base of a strong acid is typically a strong base.
Consider the strong acid's ability to donate protons.
Calculate the pH of a 0.050 M citric acid solution, knowing that citric acid has a Ka value of 7.4 × 10⁻⁴.
Make sure to apply equilibrium constants correctly.
A solution contains 0.010 M of ammonium chloride. Determine the pH of the solution given Kb for ammonia is 1.8 × 10⁻⁵.
Consider whether the solution is acidic or basic.
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