A 0.1000 M solution of a weak acid, HA, is 3.0% dissociated. Determine the value of Ka for the weak acid. PREV 1 2 Based on your ICE table and definition of Ka, set up the expression for Ka and then evaluate it. Do not combine or simplify terms. Ka %3D

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A 0.1000 M solution of a weak acid, HA, is 3.0% dissociated. Determine the value of Ka for the weak acid.

Show ICE  table and show set up of Ka expression.

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2
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>
Based on the given values, fill in the ICE table to determine concentrations of all reactants and
products.
HA(aq)
H2O(1)
H:O“(aq)
А (aq)
+
+
Initial (M)
Change (M)
Equilibrium (M)
5 RESET
0.1000
3.0
-3.0
0.030
-0.030
0.0030
-0.0030
0.0970
-0.0970
0.0097
-0.0097
+x
-X
0.030 + x
0.030 - x
0.0030 + x
0.0030 - x
Transcribed Image Text:1 2 NEXT > Based on the given values, fill in the ICE table to determine concentrations of all reactants and products. HA(aq) H2O(1) H:O“(aq) А (aq) + + Initial (M) Change (M) Equilibrium (M) 5 RESET 0.1000 3.0 -3.0 0.030 -0.030 0.0030 -0.0030 0.0970 -0.0970 0.0097 -0.0097 +x -X 0.030 + x 0.030 - x 0.0030 + x 0.0030 - x
A 0.1000 M solution of a weak acid, HA, is 3.0% dissociated. Determine the value of
Ka for the weak acid.
PREV
1
2
Based on your ICE table and definition of Ka, set up the expression for Ka and then evaluate it. Do not
combine or simplify terms.
Ka
RESET
[0]
[0.1000]
[3.0]
[0.030]
[0.0030]
[0.0970]
[0.0097]
[0.48]
[2.5]
[x]
[2x]
[0.030 + x]
[0.030 - x]
[0.0030 + x]
[0.0030 - x]
0.31
9.3 x 104
1.1 x 103
3.2
9.3 x 10-5
Transcribed Image Text:A 0.1000 M solution of a weak acid, HA, is 3.0% dissociated. Determine the value of Ka for the weak acid. PREV 1 2 Based on your ICE table and definition of Ka, set up the expression for Ka and then evaluate it. Do not combine or simplify terms. Ka RESET [0] [0.1000] [3.0] [0.030] [0.0030] [0.0970] [0.0097] [0.48] [2.5] [x] [2x] [0.030 + x] [0.030 - x] [0.0030 + x] [0.0030 - x] 0.31 9.3 x 104 1.1 x 103 3.2 9.3 x 10-5
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