Determine the pH of a buffer that is 0.95 M HBRO and 0.68 M KBRO. The value of pKa for HBRO is 8.68. 1 2 Based on the given values, set up ICE table in order to determine the unknown. HBRO(aq) + H,0(1) = H3O*(aq) + BrO (aq) Initial (M) Change (M) Equilibrium (M) 5 RESET 0.95 0.68 8.68 +x -X +2x -2x 0.95 + x 0.95 - x 0.95 + 2x 0.95 - 2x 0.68 + x 0.68 - x 0.68 + 2x 0.68 - 2x
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Using the blue bars as fillable selections in the ICE/RICE Table, calculate pH and Ka. (I know pH comes out to be 8.53 using the Henderson Hasselbalch equation, but the problem requires the ICE/RICE table to be filled, and I'm unsure how to approach it).
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Determine the pH of a buffer that is 0.95 M HBRO and
0.68 M KBRO. The value of pka for HBRO is 8.68.
1
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.
Ка
Ka =
5 RESET
[0]
[0.95]
[0.68]
[8.68]
[x]
[2x]
[2x]?
[0.95 + x]
[0.95 - x]
[0.95 + 2x]
[0.95 - 2x]
[0.68 + x]
[0.68 - x]
[0.68 + 2x]
[0.68 - 2x]
8.68
0.939
4.79 x 10-6
2.09 x 10-9](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa5302e4a-fd12-4bcf-9790-b07cf8d45049%2Faa5998ec-719f-4b1f-9b40-c51b22d7abe5%2Fdi3e5y9_processed.png&w=3840&q=75)
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