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A buffer solution contains dissolved C,H,NH, and CH,NH,CI. The initial concentration of C H,NH, is 0.50 M and the pH of the buffer is 4.20. Determine the concentration of C,H NH, in the solution. The value of Kb for C,H,NH, is 3.8 x 10:10. PREV 1 2 NEXT Based on your ICE table and definition of Kb, set up the expression for Kb in order to determine the unknown. Do not combine or simplify terms. Kp = = 3.8 x 1010

A buffer solution contains dissolved C,H,NH, and CH,NH,CI. The initial concentration of C H,NH, is 0.50 M and the pH of the buffer is 4.20. Determine the concentration of C,H NH, in the solution. The value of Kb for C,H,NH, is 3.8 x 10:10. PREV 1 2 NEXT Based on your ICE table and definition of Kb, set up the expression for Kb in order to determine the unknown. Do not combine or simplify terms. Kp = = 3.8 x 1010

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
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Based on the ICE table and Kb expression, determine the original concentration of C₆H₅NH₃⁺ in M

A buffer solution contains dissolved C,H,NH, and CH,NH,CI. The initial concentration of C H,NH, is 0.50 M and the pH of the buffer is 4.20. Determine the concentration of C H NH,* in the solution. The value of Kb for C,H NH, is 3.8 x 1010. 6 5. + 6. 5. PREV 1 3 NEXT > Based on your ICE table and definition of Kb, set up the expression for Kb in order to determine the unknown. Do not combine or simplify terms. Kb = 3.8 x 1010 %3D 5 RESET [0] 50] [x] [2x] [4.20] [6.3 x 10] [1.6 x 10 [3.8 х 1019] [x + 4.20] [x - 4.20] [x + 6.3 x 10*] [x - 6.3 x 10°] [x + 1.6 x 101º] [x - 1.6 x 101°] [x + 3.8 x 1010] [x - 3.8 x 101°]
Transcribed Image Text:A buffer solution contains dissolved C,H,NH, and CH,NH,CI. The initial concentration of C H,NH, is 0.50 M and the pH of the buffer is 4.20. Determine the concentration of C H NH,* in the solution. The value of Kb for C,H NH, is 3.8 x 1010. 6 5. + 6. 5. PREV 1 3 NEXT > Based on your ICE table and definition of Kb, set up the expression for Kb in order to determine the unknown. Do not combine or simplify terms. Kb = 3.8 x 1010 %3D 5 RESET [0] 50] [x] [2x] [4.20] [6.3 x 10] [1.6 x 10 [3.8 х 1019] [x + 4.20] [x - 4.20] [x + 6.3 x 10*] [x - 6.3 x 10°] [x + 1.6 x 101º] [x - 1.6 x 101°] [x + 3.8 x 1010] [x - 3.8 x 101°]
A buffer solution contains dissolved CH,NH, and C,H,NH,CI. The initial concentration of C,H,NH, is 0.50 M and the pH of the buffer is 4.20. Determine the concentration of C,H NH in the solution. The value of Kb for CH¸NH, is 3.8 x 10:10. 5. 6. 2 6 '5 6 2 1 2 3 NEXT > Let x represent the original concentration of CH̟NH,* in the water. Based on the given values, set up the ICE table in order to determine the unknown. 6 CH̟NH,(aq) H,O(1) OH(aq) + C,H,NH,"(aq) + 5 Initial (M) Change (M) Equilibrium (M) 5 RESET 0.50 4.20 -4.20 6.3 x 105 -6.3 x 105 1.6 x 1010 -1.6 x 1010 3.8 x 1010 -3.8 х 1010 x + 4.20 x - 4.20 x + 6.3 x 105 х - 6.3 x 105 х+1.6 x 1010 х- 1.6 х 1010 х+3.8х 1010 x - 3.8 x 10-10
Transcribed Image Text:A buffer solution contains dissolved CH,NH, and C,H,NH,CI. The initial concentration of C,H,NH, is 0.50 M and the pH of the buffer is 4.20. Determine the concentration of C,H NH in the solution. The value of Kb for CH¸NH, is 3.8 x 10:10. 5. 6. 2 6 '5 6 2 1 2 3 NEXT > Let x represent the original concentration of CH̟NH,* in the water. Based on the given values, set up the ICE table in order to determine the unknown. 6 CH̟NH,(aq) H,O(1) OH(aq) + C,H,NH,"(aq) + 5 Initial (M) Change (M) Equilibrium (M) 5 RESET 0.50 4.20 -4.20 6.3 x 105 -6.3 x 105 1.6 x 1010 -1.6 x 1010 3.8 x 1010 -3.8 х 1010 x + 4.20 x - 4.20 x + 6.3 x 105 х - 6.3 x 105 х+1.6 x 1010 х- 1.6 х 1010 х+3.8х 1010 x - 3.8 x 10-10
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