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. 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.O (aq) CH:COO (aq) + Initial (M) 0.200 Change (M) -1.0 x 10 Equilibrium (M) O RESET 0.200 5.00 -5.00 1.0 x 10 -1.0 x 10 1.0 x 10 -1.0 x 10 1.8 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
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. 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.O (aq) CH:COO (aq) + Initial (M) 0.200 Change (M) -1.0 x 10 Equilibrium (M) O RESET 0.200 5.00 -5.00 1.0 x 10 -1.0 x 10 1.0 x 10 -1.0 x 10 1.8 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
Chemistry
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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
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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 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 CH3COOH is 1.8 x 105.
3
NEXT
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.
H.O (aq)
CH:COO (aq)
+
CH:COOH(aq)
H»O(I)
Initial (M)
0.200
Change (M)
-1.0 x 105
Equilibrium (M)
O RESET
0.200
5.00
-5.00
1.0 x 10°
-1.0 x 10
1.0 x 10
-1.0 x 10
1.8 x 10
-1.8 x 105
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 105
x+ 1.8 x 105
x- 1.8 x 10](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0f321a22-fd22-41be-a1f4-3c28fc865ecb%2F00487738-cc9f-4fbc-99ba-ec1850c8e08e%2Fgfbuu3_processed.jpeg&w=3840&q=75)
Transcribed Image Text: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 CH3COOH is 1.8 x 105.
3
NEXT
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.
H.O (aq)
CH:COO (aq)
+
CH:COOH(aq)
H»O(I)
Initial (M)
0.200
Change (M)
-1.0 x 105
Equilibrium (M)
O RESET
0.200
5.00
-5.00
1.0 x 10°
-1.0 x 10
1.0 x 10
-1.0 x 10
1.8 x 10
-1.8 x 105
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 105
x+ 1.8 x 105
x- 1.8 x 10
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