A buffer solution is 0.371 M in NaHS03 and 0.399 M in Na2S03. If Ka for HS03-is 6.4 × 10-8, what is the pH of this buffer solution? The pKa value for HSO3 is 7.19. What mole ratio of Na2SO3 to NaHSOs is needed to prepare a buffer with a pH of 6.97? [s032] [HS03-]

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A buffer solution is 0.371 M in NaHS03 and 0.399 M in Na2S03. If Ka for HS03-is 6.4 × 10-8, what is the pH of this buffer solution?
The pKa value for HSO3 is 7.19. What mole ratio of Na2SO3 to NaHSOs is needed to prepare a buffer with a pH of 6.97?
[s032]
[HS03-]
Transcribed Image Text:A buffer solution is 0.371 M in NaHS03 and 0.399 M in Na2S03. If Ka for HS03-is 6.4 × 10-8, what is the pH of this buffer solution? The pKa value for HSO3 is 7.19. What mole ratio of Na2SO3 to NaHSOs is needed to prepare a buffer with a pH of 6.97? [s032] [HS03-]
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