Mathematics, 16.11.2020 17:50 609589
What is the pH of a buffer that is 0.6 M HF and 0.2 M NaF? The Ka of HF is 6.8 Ã 10â4. What is the pH of a buffer that is: a. 3.65b. 3.17c. 3.50d. 2.69
Answers: 1
![[NaF ] = 0.2 M](/tpl/images/0901/0073/a18b4.png)
![pH = pKa + log [\frac{[NaF ]}{HF} ]](/tpl/images/0901/0073/23e71.png)
![pH = -log(K_a) + log [\frac{[NaF ]}{HF} ]](/tpl/images/0901/0073/d4d32.png)
![pH = -log(6.8 *10^{-4}) + log [\frac{[0.2 ]}{0.6} ]](/tpl/images/0901/0073/15103.png)
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What is the pH of a buffer that is 0.6 M HF and 0.2 M NaF? The Ka of HF is 6.8 Ã 10â4. What is the p...
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