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Determine the mass of solid NaCH:COO that must be dissolved in an existing 500.0 mL solution of 0.200 M CH;COOH to form a buffer with a pH equal to 5.00. The value of Ka for CH:COOH is 1.8 × 10-5. 1 2 3 NEXT > 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. CH:COOH(аq) + H:O(1) H:O“(aq) + CH:COO-(aq) Initial (M) Change (M) Equilibrium (M) 5 RESET 0.200 5.00 -5.00 1.0 x 10- -1.0 x 109 x+5.00 x+ 1.0 × 10 1.0 x 105 -1.0 x 105 1.8 x 105 -1.8 x 105 х-5.00 х-1.0 * 10-> x+1.0 × 105 х-1.0 к 10+ x+ 1.8 x 10 х-1.8 ж 10-5

Determine the mass of solid NaCH:COO that must be dissolved in an existing 500.0 mL solution of 0.200 M CH;COOH to form a buffer with a pH equal to 5.00. The value of Ka for CH:COOH is 1.8 × 10-5. 1 2 3 NEXT > 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. CH:COOH(аq) + H:O(1) H:O“(aq) + CH:COO-(aq) Initial (M) Change (M) Equilibrium (M) 5 RESET 0.200 5.00 -5.00 1.0 x 10- -1.0 x 109 x+5.00 x+ 1.0 × 10 1.0 x 105 -1.0 x 105 1.8 x 105 -1.8 x 105 х-5.00 х-1.0 * 10-> x+1.0 × 105 х-1.0 к 10+ x+ 1.8 x 10 х-1.8 ж 10-5

Chemistry
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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(Ive already solved for the mass of NaCHCOO (14.76) I just dont know how to fill out the RICE table)

Determine the mass of solid NaCH:COO that must be dissolved in an existing 500.0 mL solution of 0.200 M CH:COOH to form a buffer with a pH equal to 5.00. The value of Ka for CH:COOH is 1.8 × 10-5. PREV 2 3 NEXT > Based on your ICE table and definition of Ka, set up the expression for Ka in order to determine the unknown. Do not combine or simplify terms. Ка = 1.8 x 10-5 a 5 RESET [0] [500.0] [0.200] [5.00] [1.0 x 10) [1.0 x 10-] [1.8 x 10 [z + 5.00] [x - 5.00] [x+ 1.0 x 10) [x- 1.0 x 10-1 [x + 1.0 x 10 [x- 1.0 x 101 r+ 1.8 × 101 x- 1.8 x 101
Transcribed Image Text:Determine the mass of solid NaCH:COO that must be dissolved in an existing 500.0 mL solution of 0.200 M CH:COOH to form a buffer with a pH equal to 5.00. The value of Ka for CH:COOH is 1.8 × 10-5. PREV 2 3 NEXT > Based on your ICE table and definition of Ka, set up the expression for Ka in order to determine the unknown. Do not combine or simplify terms. Ка = 1.8 x 10-5 a 5 RESET [0] [500.0] [0.200] [5.00] [1.0 x 10) [1.0 x 10-] [1.8 x 10 [z + 5.00] [x - 5.00] [x+ 1.0 x 10) [x- 1.0 x 10-1 [x + 1.0 x 10 [x- 1.0 x 101 r+ 1.8 × 101 x- 1.8 x 101
Determine the mass of solid NaCH:COO that must be dissolved in an existing 500.0 mL solution of 0.200 M CH:COOH to form a buffer with a pH equal to 5.00. The value of Ka for CH:COOH is 1.8 x 10-5. 1 2 3 NEXT > 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. CH:COOH(aq) + H2O(1) H:O*(aq) + CH:COO-(aq) Initial (M) Change (M) Equilibrium (M) 5 RESET 0.200 5.00 -5.00 1.0 x 109 -1.0 x 109 1.0 x 105 -1.0 x 105 1.8 x 105 -1.8 x 105 x+ 5.00 x - 5.00 x+ 1.0 x 10-9 x- 1.0 x 10-9 x+ 1.0 x 105 х-1.0 * 10-+ x+ 1.8 x 10-5 х-1.8 х 10-5
Transcribed Image Text:Determine the mass of solid NaCH:COO that must be dissolved in an existing 500.0 mL solution of 0.200 M CH:COOH to form a buffer with a pH equal to 5.00. The value of Ka for CH:COOH is 1.8 x 10-5. 1 2 3 NEXT > 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. CH:COOH(aq) + H2O(1) H:O*(aq) + CH:COO-(aq) Initial (M) Change (M) Equilibrium (M) 5 RESET 0.200 5.00 -5.00 1.0 x 109 -1.0 x 109 1.0 x 105 -1.0 x 105 1.8 x 105 -1.8 x 105 x+ 5.00 x - 5.00 x+ 1.0 x 10-9 x- 1.0 x 10-9 x+ 1.0 x 105 х-1.0 * 10-+ x+ 1.8 x 10-5 х-1.8 х 10-5
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