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AP Chemistry
Unit 8 – Acids and Bases
Topic 8.10
We want to make a 100 mL buffer with a pH of 5. We are given 0.1 M each of HA and NaA. How many mL of each are required to make the buffer? (pKa = 4.7)
33.4 mL of NaA and 66.6 mL of HA
50.0 mL of NaA and 50.0 mL of HA
25.7 mL of NaA and 74.3 mL of HA
66.6 mL of NaA and 33.4 mL of HA
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AP Chemistry - 8.10 Buffer Capacity
Key terms
Buffer
pH
HA
NaA
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