11. Which conjugate acid-base pair would be the best to use if you wanted to make a buffer at pH=3.00? HF F ok HF = (1.2x10²4) - 10g (7.2x10 ") = 3.14 b. If the acid has a concentration of 0.450M what would the concentration of the base need to be in order to keep the pH at 3.00?

Introductory Chemistry For Today
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Chapter9: Acids, Bases, And Salts
Section: Chapter Questions
Problem 9.117E
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11. Which conjugate acid-base pair would be the best to use if you wanted to make a buffer at
pH=3.00?
HF + F-
ok
= (1.2x107)
- 10g (7.2x10 ") = 3.14
HF =
b. If the acid has a concentration of 0.450M what would the concentration of the base need to be in
order to keep the pH at 3.00?
3
Transcribed Image Text:11. Which conjugate acid-base pair would be the best to use if you wanted to make a buffer at pH=3.00? HF + F- ok = (1.2x107) - 10g (7.2x10 ") = 3.14 HF = b. If the acid has a concentration of 0.450M what would the concentration of the base need to be in order to keep the pH at 3.00? 3
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