What would be your best choice to prepare a 100 mL of pH 5.5 buffer strength 0.50 M? (pKa of acetic acid = 4.756; for NaHCO3: pK1=6.351 and pK2=10.329) a. 0.025 moles of acetic acid and 0.025 moles of sodium acetic b. 0.25 moles of acetic acid and 0.25 moles of sodium acetic c. 0.015 moles of acetic acid and 0.035 moles of sodium acetic d. a. 0.25 moles of Na2CO3 and 0.25 moles of NaHCO3.
What would be your best choice to prepare a 100 mL of pH 5.5 buffer strength 0.50 M? (pKa of acetic acid = 4.756; for NaHCO3: pK1=6.351 and pK2=10.329) a. 0.025 moles of acetic acid and 0.025 moles of sodium acetic b. 0.25 moles of acetic acid and 0.25 moles of sodium acetic c. 0.015 moles of acetic acid and 0.035 moles of sodium acetic d. a. 0.25 moles of Na2CO3 and 0.25 moles of NaHCO3.
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter17: Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria
Section17.2: Controlling Ph: Buffer Solutions
Problem 2RC: 2. If an acetic acid/sodium acetate buffer solution is prepared from 100. mL of 0.10 M acetic acid...
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What would be your best choice to prepare a 100 mL of pH 5.5 buffer strength 0.50 M? (pKa of acetic acid = 4.756; for NaHCO3: pK1=6.351 and pK2=10.329)
a. 0.025 moles of acetic acid and 0.025 moles of sodium acetic
b. 0.25 moles of acetic acid and 0.25 moles of sodium acetic
c. 0.015 moles of acetic acid and 0.035 moles of sodium acetic
d. a. 0.25 moles of Na2CO3 and 0.25 moles of NaHCO3.
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