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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 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

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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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 CH₃COOH is 1.8 × 10⁻⁵.

Need help especially with the setup of the ice table to make sure, to double check, appreciate all the help.

Question 14 of 14 Submit Determine the mass of solid NaCH,CO0 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°. 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. H,O(1) = H,Oʻ(aq) +CH,COO(aq) Initial 0.200 |(M). Change (M) Equilibri um (M) 1.0 x 105 1.0 x 105 1.0 x 105 x - 1.0 x 105 1.0 x 105 x + 1.0 x 105 CRESET 0.200 5.00 -5.00 1.0 x 10° -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 x - 1.0 x 109 x + 1.0 x 10s x - 1.0 x 105 x + 1.8 x 105 x - 1.8 x 10-5 + I|||
Transcribed Image Text:Question 14 of 14 Submit Determine the mass of solid NaCH,CO0 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°. 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. H,O(1) = H,Oʻ(aq) +CH,COO(aq) Initial 0.200 |(M). Change (M) Equilibri um (M) 1.0 x 105 1.0 x 105 1.0 x 105 x - 1.0 x 105 1.0 x 105 x + 1.0 x 105 CRESET 0.200 5.00 -5.00 1.0 x 10° -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 x - 1.0 x 109 x + 1.0 x 10s x - 1.0 x 105 x + 1.8 x 105 x - 1.8 x 10-5 + I|||
Question 14 of 14 Submit Determine the mass of solid NaCH,CO0 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*. ( PREV 1 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. [1.0 x 10] [x + 1.0 × 10*] Ка 1.8 x 105 %D [x - 1.0 x 10°] CRESET [0] [500.0] [0.200] [5.00] [1.0 x 10°] [1.0 x 10] [1.8 x 10*] [x + 5.00] [x - 5.00] [x + 1.0 x 10* [x - 1.0 x 10°] [x + 1.0 x 10] [x - 1.0 x 10°] [x + 1.8 x 10°] [x - 1.8 x 10°] +
Transcribed Image Text:Question 14 of 14 Submit Determine the mass of solid NaCH,CO0 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*. ( PREV 1 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. [1.0 x 10] [x + 1.0 × 10*] Ка 1.8 x 105 %D [x - 1.0 x 10°] CRESET [0] [500.0] [0.200] [5.00] [1.0 x 10°] [1.0 x 10] [1.8 x 10*] [x + 5.00] [x - 5.00] [x + 1.0 x 10* [x - 1.0 x 10°] [x + 1.0 x 10] [x - 1.0 x 10°] [x + 1.8 x 10°] [x - 1.8 x 10°] +
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