Dashboard 10 Chem101 b Answered: At a particular tempe x i app.101edu.co Question 2 of 16 Submit Determine the pH of a buffer formed by dissolving 21.5 g HC-H:O: and 37.7 g of NaC-H:O: in 200.0 mL of solution. The value of Ka for HC-H:O: is 6.3 x 10-. 1 2 NEXT Based on the given values, set up ICE table in order to determine the unknown. HC H:O:(aq) H:O(1) H.O(aq) C-H:O:(aq) + Initial (M) Change (M) Equilibrium (M) 5 RESET 21.5 37.7 0.176 0.261 0.880 1.31 0.178 0.888 21.5 -x 37.7 +x 0.176 -x 0.261 +x 0.880 - x 1.31 + x 0.178 +x 0.888 +x 10:27 PM P Type here to search O a9 o d0 65°F Mostly sunny 10/31/2021

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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And what is the pH?

A Dashboard
101 Chem101
b Answered: At a particular temper X
а ap.101edu.co
Question 2 of 16
Submit
Determine the pH of a buffer formed by dissolving 21.5 g HC-HsO2 and 37.7 g of NaC-HsO2 in 200.0 mL of
solution. The value of Ka for HC-HSO2 is 6.3 × 10-5.
1
2
3
NEXT
Based on the given values, set up ICE table in order to determine the unknown.
HC-H:O:(aq)
H:O(1)
H:O“(aq)
C-H:O2 (aq)
+
+
Initial (M)
Change (M)
Equilibrium (M)
2 RESET
21.5
37.7
0.176
0.261
0.880
1.31
0.178
0.888
+x
21.5 - x
37.7 + x
0.176 - x
0.261 + x
-x
0,880 - x
1.31 + x
0.178 + x
0.888 + x
+
10:27 PM
P Type here to search
65°F Mostly sunny
10/31/2021
Transcribed Image Text:A Dashboard 101 Chem101 b Answered: At a particular temper X а ap.101edu.co Question 2 of 16 Submit Determine the pH of a buffer formed by dissolving 21.5 g HC-HsO2 and 37.7 g of NaC-HsO2 in 200.0 mL of solution. The value of Ka for HC-HSO2 is 6.3 × 10-5. 1 2 3 NEXT Based on the given values, set up ICE table in order to determine the unknown. HC-H:O:(aq) H:O(1) H:O“(aq) C-H:O2 (aq) + + Initial (M) Change (M) Equilibrium (M) 2 RESET 21.5 37.7 0.176 0.261 0.880 1.31 0.178 0.888 +x 21.5 - x 37.7 + x 0.176 - x 0.261 + x -x 0,880 - x 1.31 + x 0.178 + x 0.888 + x + 10:27 PM P Type here to search 65°F Mostly sunny 10/31/2021
A Dashboard
101 Chem101
b Answered: At a particular temper X
а ap.101edu.co
Question 2 of 16
Submit
Determine the pH of a buffer formed by dissolving 21.5 g HC-HsO2 and 37.7 g of NaC-H:O2 in 200.0 mL of
solution. The value of Ka for HC-H:O2 is 6.3 x 10-5.
PREV
1
2
3
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.
Ka
6.3 x 10-5
2 RESET
[0]
[21.5]
[37.7]
[0.176]
[0.261]
[0.880]
[1.31]
[0.178]
[0.888]
[x]
[2x]
[21.5 - x]
[37.7 + x]
[0.176 - x]
[0.261 + x]
[0.880 - x]
[1.31 + x]
[0.178 + x]
[0.888 + x]
+
10:27 PM
P Type here to search
65°F Mostly sunny
10/31/2021
Transcribed Image Text:A Dashboard 101 Chem101 b Answered: At a particular temper X а ap.101edu.co Question 2 of 16 Submit Determine the pH of a buffer formed by dissolving 21.5 g HC-HsO2 and 37.7 g of NaC-H:O2 in 200.0 mL of solution. The value of Ka for HC-H:O2 is 6.3 x 10-5. PREV 1 2 3 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. Ka 6.3 x 10-5 2 RESET [0] [21.5] [37.7] [0.176] [0.261] [0.880] [1.31] [0.178] [0.888] [x] [2x] [21.5 - x] [37.7 + x] [0.176 - x] [0.261 + x] [0.880 - x] [1.31 + x] [0.178 + x] [0.888 + x] + 10:27 PM P Type here to search 65°F Mostly sunny 10/31/2021
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