Calculate the weight of solid sodium formate (HCOONA: MW = 52) that should be dissolved in 1-L of 0.2 M formic acid (HCOOH) to make a buffer solution of pH = 3.5. Ka = 1.7 x 10-4 O 0.1074 g 19.343 g 2.067 x 103 g 5.591 g

Calculate the weight of solid sodium formate (HCOONA: MW = 52) that should be dissolved in 1-L of 0.2 M formic acid (HCOOH) to make a buffer solution of pH = 3.5. Ka = 1.7 x 10-4 O 0.1074 g 19.343 g 2.067 x 103 g 5.591 g

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter14: Equilibria In Acid-base Solutions

Section: Chapter Questions

Problem 12QAP: A buffer is prepared by dissolving 0.062 mol of sodium fluoride in 127 mL of 0.0399 M hydrofluoric...

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Question

Calculate the weight of solid sodium formate (HCOONA: MW = 52) that should be
dissolved in 1-L of 0.2 M formic acid (HCOOH) to make a buffer solution of pH = 3.5.
Ka = 1.7 x 10-4
%3D
0.1074 g
19.343 g
2.067 x 10 g
O 5.591 g

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