. What is the pH of a buffer made by dissolving 0.200 mol NaH2PO4 (s) and 0.300 mol Na₂HPO4 in a 1.00 L flask? a) 2.08 b) 7.22 c) 8.46 d) 6.89 e) 7.83 H3PO4 PKA1 = 1.92 PKA2= 6.71 PKA3 = 11.52
. What is the pH of a buffer made by dissolving 0.200 mol NaH2PO4 (s) and 0.300 mol Na₂HPO4 in a 1.00 L flask? a) 2.08 b) 7.22 c) 8.46 d) 6.89 e) 7.83 H3PO4 PKA1 = 1.92 PKA2= 6.71 PKA3 = 11.52
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 3RC
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