Design a buffer that has a pH of 4.91 using one of the weak acid/conjugate base systems shown below. Weak Acid Conjugate Base HC₂04 H₂PO4 HCO3 C₂04²- HPO4²- CO3²- Ka 6.4 x 10-5 pka 4.19 7.21 6.2 x 10-8 4.8 x 10-11 10.32 How many grams of the sodium salt of the weak acid must be combined with how many grams of the sodium salt of its conjugate base, to produce 1.00 L of a buffer that is 1.00 M in the weak base? grams sodium salt of weak acid = grams sodium salt of conjugate base =
Design a buffer that has a pH of 4.91 using one of the weak acid/conjugate base systems shown below. Weak Acid Conjugate Base HC₂04 H₂PO4 HCO3 C₂04²- HPO4²- CO3²- Ka 6.4 x 10-5 pka 4.19 7.21 6.2 x 10-8 4.8 x 10-11 10.32 How many grams of the sodium salt of the weak acid must be combined with how many grams of the sodium salt of its conjugate base, to produce 1.00 L of a buffer that is 1.00 M in the weak base? grams sodium salt of weak acid = grams sodium salt of conjugate base =
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter15: Additional Aqueous Equilibria
Section: Chapter Questions
Problem 30QRT
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