What is the pH of 0.80 M Hypobromite acid (HBrO) which is a weak acid? The Ka the wes acid is 4.5 x 10-8. Hint: HBrO(aq) J. M 0.80 [C]. M -X [E]. M 0.80 - X H+(aq) + BrO - (aq) 0 0 +X +X X Ka = (X) (X) / 0.80-X Hint: Solve for (X) = [H*]E : X Then [H+] at Equilibrium then PH = - Log [H* JE

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What is the pH of 0.80 M Hypobromite acid (HBrO) which is a weak acid? The Ka the wesk
acid is 4.5 × 10 -8.
Hint:
[i]. M
[C]. M
[E]. M
HBrO(aq)
0.80
-X
0.80 - X
H+ (aq) + BrO - (aq)
0
0
+X
+X
Ka (X) (X) / 0.80-X
=
Hint: Solve for (X) = [H*]E
X
Then : [H+] at Equilibrium then PH = - Log [H* JE
A. PH = 3.2
B. PH = 3.4
C.PH = 3.6
D.PH = 3.7
E.PH = 4.2
Transcribed Image Text:What is the pH of 0.80 M Hypobromite acid (HBrO) which is a weak acid? The Ka the wesk acid is 4.5 × 10 -8. Hint: [i]. M [C]. M [E]. M HBrO(aq) 0.80 -X 0.80 - X H+ (aq) + BrO - (aq) 0 0 +X +X Ka (X) (X) / 0.80-X = Hint: Solve for (X) = [H*]E X Then : [H+] at Equilibrium then PH = - Log [H* JE A. PH = 3.2 B. PH = 3.4 C.PH = 3.6 D.PH = 3.7 E.PH = 4.2
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