Determine the mass of solid NaCH3COO that must be dissolved in an existing 500.0 mL solution of 0.200 M CH3COOH to form a buffer with a pH equal to 5.00. The value of Ka for CH-CООH is 1.8 х 10-5. 1 2 Let x represent the original concentration of CH;COO in the water. Based on the given values, set up the ICE table in order to determine the unknown. CH3COOH+ H2O(1) =H3O*(aq) +CH3COO-(a Initial (M) Change (M) Equilibrium (M) 5 RESET 0.200 5.00 -5.00 1.0 × 10-9 -1.0 x 10-9 1.0 x 10-5 -1.0 × 10-5 1.8 x 10-5 -1.8 x 10-5 x + 5.00 x - 5.00 x + 1.0 × 10-9 х - 1.0 x 10-9 x + 1.0 × 10-5 х- 1.0 x 10-5 x + 1.8 × 10-5 х - 1.8 х 10-5

Determine the mass of solid NaCH3COO that must be dissolved in an existing 500.0 mL solution of 0.200 M CH3COOH to form a buffer with a pH equal to 5.00. The value of Ka for CH-CООH is 1.8 х 10-5. 1 2 Let x represent the original concentration of CH;COO in the water. Based on the given values, set up the ICE table in order to determine the unknown. CH3COOH+ H2O(1) =H3O*(aq) +CH3COO-(a Initial (M) Change (M) Equilibrium (M) 5 RESET 0.200 5.00 -5.00 1.0 × 10-9 -1.0 x 10-9 1.0 x 10-5 -1.0 × 10-5 1.8 x 10-5 -1.8 x 10-5 x + 5.00 x - 5.00 x + 1.0 × 10-9 х - 1.0 x 10-9 x + 1.0 × 10-5 х- 1.0 x 10-5 x + 1.8 × 10-5 х - 1.8 х 10-5

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

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