Determine the pH of a 0.30M solution of HF (Ка %3D 6.8 х 10-4). 1 2 3 Based on the given values, set up ICE table in order to determine the unknown. HF(aq) + H¿O(1) =H;0*(aq) + F'(aq) Initial (M) Change (M) Equilibrium (M)

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8:44 1
ll 5GE
Question 14 of 25
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Determine the pH of a 0.30M solution of HE
(Ка 3D 6.8 х 10-).
1
2
3
Based on the given values, set up ICE table in
order to determine the unknown.
HF(aq) + H,0(1) =H;0*(aq) + F(aq)
Initial (M)
Change (M)
Equilibrium
(M)
5 RESET
0.30
6.8 x 10-4
0.15
+x
-x
+2x
-2x
0.30 + x
0.30 -
0.30 + 2x
0.30 - 2x
6.8 x 10-4 + x
6.8 x 10-4 - х
6.8х 10-4 + 2х
6.8 x 10-4 - 2x
Transcribed Image Text:8:44 1 ll 5GE Question 14 of 25 Submit Determine the pH of a 0.30M solution of HE (Ка 3D 6.8 х 10-). 1 2 3 Based on the given values, set up ICE table in order to determine the unknown. HF(aq) + H,0(1) =H;0*(aq) + F(aq) Initial (M) Change (M) Equilibrium (M) 5 RESET 0.30 6.8 x 10-4 0.15 +x -x +2x -2x 0.30 + x 0.30 - 0.30 + 2x 0.30 - 2x 6.8 x 10-4 + x 6.8 x 10-4 - х 6.8х 10-4 + 2х 6.8 x 10-4 - 2x
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