141480 4. A student needs to prepare a buffer solution with a pH of 5.59. Assuming a pka of 4.54, how many mL of 0.1 M NaOH would need to be added to 24.0 mL of 0.1 M HB to prepare this buffer? Please include a proper (abbreviated) unit. HINT: Use pH = pKa + log ([B-]/[HB]) or, if concentrations are the same, pH = pka + log (Volume of OH-/ (Volume of HB - Volume of OH-) mis

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4. A student needs to prepare a buffer solution with a pH of 5.59. Assuming a pka of 4.54,
how many mL of 0.1 M NaOH would need to be added to 24.0 mL of 0.1 M HB to
prepare this buffer? Please include a proper (abbreviated) unit.
HINT: Use pH = pKa + log ([B-]/[HB]) or, if concentrations are the same,
pH = pka + log (Volume of OH-/ (Volume of HB - Volume of OH-)
olved.
Transcribed Image Text:4. A student needs to prepare a buffer solution with a pH of 5.59. Assuming a pka of 4.54, how many mL of 0.1 M NaOH would need to be added to 24.0 mL of 0.1 M HB to prepare this buffer? Please include a proper (abbreviated) unit. HINT: Use pH = pKa + log ([B-]/[HB]) or, if concentrations are the same, pH = pka + log (Volume of OH-/ (Volume of HB - Volume of OH-) olved.
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