4. A weak acid, HX, has Ka = 7.9 x 10-5. Calculate [HX], [X-], [H+], and the pH of a 0.0380 mol/L solution. Note that HX ↔ H+ + X-. (5) [E3.5/8]

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Chapter16: Acids And Bases
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4. A weak acid, HX, has Ka = 7.9 x 10-5. Calculate [HX], [X-], [H+], and the pH of a
0.0380 mol/L solution. Note that HX → H+ + X-. (5) [E3.5/8]
Transcribed Image Text:4. A weak acid, HX, has Ka = 7.9 x 10-5. Calculate [HX], [X-], [H+], and the pH of a 0.0380 mol/L solution. Note that HX → H+ + X-. (5) [E3.5/8]
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