Determine the pH of a buffer that is 0.55 M HNO2 and 0.75 M KNO2. The value of Ka for HNO: is 6.8 × 10-4. 1 2 NEXT Based on the given values, set up ICE table in order to determine the unknown. HNO:(aq) H:O(1) H.Oʻ(aq) NO: (aq) + + Initial (M) Change (M) Equilibrium (M) 5 RESET 0.55 0.75 6.8 x 10 +2x +x -2x 0.55 + x 0.55 - x 0.55 + 2x 0.55 - 2x 0.75 + x 0.75 -x 0.75 + 2x 0.75 - 2x

Determine the pH of a buffer that is 0.55 M HNO2 and 0.75 M KNO2. The value of Ka for HNO: is 6.8 × 10-4. 1 2 NEXT Based on the given values, set up ICE table in order to determine the unknown. HNO:(aq) H:O(1) H.Oʻ(aq) NO: (aq) + + Initial (M) Change (M) Equilibrium (M) 5 RESET 0.55 0.75 6.8 x 10 +2x +x -2x 0.55 + x 0.55 - x 0.55 + 2x 0.55 - 2x 0.75 + x 0.75 -x 0.75 + 2x 0.75 - 2x

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 pH of a buffer that is 0.55 M HNO2 and 0.75 M KNO2. The
value of Ka for HNO2 is 6.8 × 10-4.
1
NEXT
>
Based on the given values, set up ICE table in order to determine the unknown.
HNO:(aq)
H2O(1)
H3O*(aq)
NO: (aq)
+
+
Initial (M)
Change (M)
Equilibrium (M)
5 RESET
0.55
0.75
6.8 x 10-4
+x
-X
+2x
-2:
0.55 + x
0.55 - x
0.55 + 2x
0.55 - 2x
0.75 + x
0.75 - x
0.75 + 2x
0.75 - 2x
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