Determine the pH of a solution of HF by constructing an ICE table, writing the equilibrium constant expression, and using this information to determine the pH. The Ka of HF is 6.8 x 10-4. Complete Parts 1-3 before submitting your answer. NEXT > A 0.30 M aqueous solution of HF is prepared. Fill in the ICE table with the appropriate value for each involved species to determine concentrations of all reactants and products. Initial (M) Change (M) Equilibrium (M) -2x 6.8 x 10-4-2x 0 1 0.30 + x HF(aq) 0.30 0.30 - x + 2 H₂O(1) 6.8 x 10-4 0.30 + 2x 0.15 0.30 - 2x 3 H3O+(aq) + +X 6.8 x 10-4 + x -X 6.8 x 10-4-x F-(aq) RESET +2x 6.8 x 10-4 + 2x

Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter16: Reactions Between Acids And Bases
Section: Chapter Questions
Problem 16.36QE
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Determine the pH of a solution of HF by constructing an ICE table, writing the
equilibrium constant expression, and using this information to determine the pH. The
Ka of HF is 6.8 x 10-4. Complete Parts 1-3 before submitting your answer.
NEXT >
A 0.30 M aqueous solution of HF is prepared. Fill in the ICE table with the appropriate value for each
involved species to determine concentrations of all reactants and products.
Initial (M)
Change (M)
Equilibrium (M)
-2x
6.8 x 10-4-2x
0
0.30 + x
1
HF(aq)
0.30
0.30 - x
+
H₂O(l)
6.8 x 10-4
2
0.30 + 2x
0.15
0.30 - 2x
H3O+(aq) +
+X
3
6.8 x 104 + x
-X
6.8 x 10-4-x
F-(aq)
✓ RESET
+2x
6.8 x 10-4 + 2x
Transcribed Image Text:Determine the pH of a solution of HF by constructing an ICE table, writing the equilibrium constant expression, and using this information to determine the pH. The Ka of HF is 6.8 x 10-4. Complete Parts 1-3 before submitting your answer. NEXT > A 0.30 M aqueous solution of HF is prepared. Fill in the ICE table with the appropriate value for each involved species to determine concentrations of all reactants and products. Initial (M) Change (M) Equilibrium (M) -2x 6.8 x 10-4-2x 0 0.30 + x 1 HF(aq) 0.30 0.30 - x + H₂O(l) 6.8 x 10-4 2 0.30 + 2x 0.15 0.30 - 2x H3O+(aq) + +X 3 6.8 x 104 + x -X 6.8 x 10-4-x F-(aq) ✓ RESET +2x 6.8 x 10-4 + 2x
Determine the pH of a solution of HF by constructing an ICE table, writing the
equilibrium constant expression, and using this information to determine the pH. The
Ka of HF is 6.8 x 10-4. Complete Parts 1-3 before submitting your answer.
< PREV
3
NEXT >
Based on your ICE table and the definition of Ka, set up the expression for Ka in order to determine
the unknown. Each reaction participant must be represented by one tile. Do not combine terms.
[0]
[0.30 -x]
[0.30]
[0.30 + 2x]
1
Ka
=
[6.8 x 10-4]
[0.30 - 2x]
[0.15]
[6.8 x 10-4+x]
2
= 6.8 × 10-4
[6.8 x 10-4-x]
[2x]
[6.8 x 10-4 + 2x]
[2x]²
[6.8 x 10-4-2x]
RESET
[0.30 + x]
Transcribed Image Text:Determine the pH of a solution of HF by constructing an ICE table, writing the equilibrium constant expression, and using this information to determine the pH. The Ka of HF is 6.8 x 10-4. Complete Parts 1-3 before submitting your answer. < PREV 3 NEXT > Based on your ICE table and the definition of Ka, set up the expression for Ka in order to determine the unknown. Each reaction participant must be represented by one tile. Do not combine terms. [0] [0.30 -x] [0.30] [0.30 + 2x] 1 Ka = [6.8 x 10-4] [0.30 - 2x] [0.15] [6.8 x 10-4+x] 2 = 6.8 × 10-4 [6.8 x 10-4-x] [2x] [6.8 x 10-4 + 2x] [2x]² [6.8 x 10-4-2x] RESET [0.30 + x]
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