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Find Ka value using ice tables for equilibrium help on question 2

Find Ka value using ice tables for equilibrium help on question 2

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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Find Ka value using ice tables for equilibrium help on question 2
6:00 PM Wed Mar 16 * 27% 4 Question 3 of 4 Retry The pH for O.0850 M solution of CeH,CH,COOH is 2.68. Determine the value of Ka for CH,CH,COOH. < PREV 1 2 Based on your ICE table and definition of Ka, set up the expression for Ka and then evaluate it. Do not combine or simplify terms. [0.0850] [0.0850] Ka = 5.3 x 10-5 [0.0829] Incorrect, 3 attempts remaining Your expression for Ka is incorrect. Recall the general definition of Ka for the generic acid, HA: HA(aq) + H,O(1) =H;0*(aq) + A (aq) Ka = [H;Oʻ][A]/[HA] Tap here or pull up for additional resources
Transcribed Image Text:6:00 PM Wed Mar 16 * 27% 4 Question 3 of 4 Retry The pH for O.0850 M solution of CeH,CH,COOH is 2.68. Determine the value of Ka for CH,CH,COOH. < PREV 1 2 Based on your ICE table and definition of Ka, set up the expression for Ka and then evaluate it. Do not combine or simplify terms. [0.0850] [0.0850] Ka = 5.3 x 10-5 [0.0829] Incorrect, 3 attempts remaining Your expression for Ka is incorrect. Recall the general definition of Ka for the generic acid, HA: HA(aq) + H,O(1) =H;0*(aq) + A (aq) Ka = [H;Oʻ][A]/[HA] Tap here or pull up for additional resources
6:00 PM Wed Mar 16 * 27% 4 Question 3 of 4 Retry The pH for O.0850 M solution of CeH,CH,COOH is 2.68. Determine the value of Ka for CH;CH,COOH. 1 2 NEXT> Based on the given values, fill in the ICE table to determine concentrations of all reactants and products. CeH,CH,COOH H2O(1) H3O*(aq) C6H,CH¿COO- Initial (M) 0.0850 Change (M -2.1 x 10 2.1 x 10-3 2.1 x 10-3 Equilibrium 0.0829 2.1 x 10-3 2.1 x 10-3 Incorrect, 3 attempts remaining Your expression for Ka is incorrect. Recall the general definition of Ka for the generic acid, HA: HA(aq) + H2O(1) =H;0*(aq) + A (aq) Ka = [H;O*][A]/[HA] Tap here or pull up for additional resources
Transcribed Image Text:6:00 PM Wed Mar 16 * 27% 4 Question 3 of 4 Retry The pH for O.0850 M solution of CeH,CH,COOH is 2.68. Determine the value of Ka for CH;CH,COOH. 1 2 NEXT> Based on the given values, fill in the ICE table to determine concentrations of all reactants and products. CeH,CH,COOH H2O(1) H3O*(aq) C6H,CH¿COO- Initial (M) 0.0850 Change (M -2.1 x 10 2.1 x 10-3 2.1 x 10-3 Equilibrium 0.0829 2.1 x 10-3 2.1 x 10-3 Incorrect, 3 attempts remaining Your expression for Ka is incorrect. Recall the general definition of Ka for the generic acid, HA: HA(aq) + H2O(1) =H;0*(aq) + A (aq) Ka = [H;O*][A]/[HA] Tap here or pull up for additional resources
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