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3 cards from this section. Quick, good the night before a test.
What is an acid-base indicator?
Think about what shows a difference in acidity or basicity.
What pH is typically associated with the equivalence point of strong acid-strong base titrations?
Consider the neutral nature of the products formed.
What is the role of pKa in choosing an indicator?
Consider what pKa represents in relation to the equilibrium.
Is methyl orange a suitable indicator for strong acid-weak base titrations?
Think about what pH range you'd expect during such a titration.
You're performing a titration of acetic acid (a weak acid) with sodium hydroxide (a strong base). What indicator would you choose, and why?
Consider the nature of the acid and base involved.
During a titration of hydrochloric acid (strong acid) with ammonia (weak base), you notice the equivalence point is difficult to determine. What could be the problem?
Think about the characteristics of the weak base and the expected pH ranges.
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