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. Ka = Ка = 1.8 x 10-5

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Chapter14: Acid- Base Equilibria
Section: Chapter Questions
Problem 118CP: Malonic acid (HO2CCH2CO2H) is a diprotic acid. In the titration of malonic acid w ith NaOH,...
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Using the blue bars as fillable selections in the ICE/RICE table, find the mass of NaCH3COO (I got the answer with Henderson Hasselbalch, but this problem requires the RICE table to be filled, and I'm unsure how to approach it).

ul Verizon LTE
11:32
9 67%
Question 9 of 11
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Determine the mass of solid NaCH3COO that must be
dissolved in an existing 500.0 mL solution of 0.200 M
CH;COOH to form a buffer with a pH equal to 5.00. The
value of Ka for CH;COOH is 1.8 x 10-5.
1
2
3
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.
Ka =
= 1.8 x 10-5
5 RESET
[0]
[500.0]
[0.200]
[5.00]
[1.0 x 10-]
[1.0 x 10-5]
[1.8 x 10-]
[x + 5.00]
[x - 5.00]
[x + 1.0 x 10-]
[x - 1.0 x 10-°]
[x + 1.0 × 10-]
[x - 1.0 x 10-5]
[x + 1.8 x 10-5]
[x - 1.8 x 10-5]
Transcribed Image Text:ul Verizon LTE 11:32 9 67% Question 9 of 11 Submit Determine the mass of solid NaCH3COO that must be dissolved in an existing 500.0 mL solution of 0.200 M CH;COOH to form a buffer with a pH equal to 5.00. The value of Ka for CH;COOH is 1.8 x 10-5. 1 2 3 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. Ka = = 1.8 x 10-5 5 RESET [0] [500.0] [0.200] [5.00] [1.0 x 10-] [1.0 x 10-5] [1.8 x 10-] [x + 5.00] [x - 5.00] [x + 1.0 x 10-] [x - 1.0 x 10-°] [x + 1.0 × 10-] [x - 1.0 x 10-5] [x + 1.8 x 10-5] [x - 1.8 x 10-5]
ul Verizon LTE
11:32
9 67%
Question 9 of 11
Submit
Determine the mass of solid NaCH3COO that must be
dissolved in an existing 500.0 mL solution of 0.200 M
CH;COOH to form a buffer with a pH equal to 5.00. The
value of Ka for CH;COOH is 1.8 x 10-5.
1
2
3
Let x represent the original concentration of CH3COO-
in the water. Based on the given values, set up the ICE
table in order to determine the unknown.
CH;COOH(aq
H20(1)
= H;O*(aq) +CH;COO-(aq)
Initial (M)
Change (M)
Equilibrium
(M)
5 RESET
0.200
5.00
-5.00
1.0 x 10-9
-1.0 x 10-9
1.0 x 10-5
-1.0 x 10-5
1.8 x 10-5
-1.8 x 10-5
x + 5.00
x - 5.00
х+1.0 x 10-°
х - 1.0 х 10-9
x + 1.0 × 10-5
х - 1.0 x 10-5
x + 1.8 × 10-5
х - 1.8 х 10-5
Transcribed Image Text:ul Verizon LTE 11:32 9 67% Question 9 of 11 Submit Determine the mass of solid NaCH3COO that must be dissolved in an existing 500.0 mL solution of 0.200 M CH;COOH to form a buffer with a pH equal to 5.00. The value of Ka for CH;COOH is 1.8 x 10-5. 1 2 3 Let x represent the original concentration of CH3COO- in the water. Based on the given values, set up the ICE table in order to determine the unknown. CH;COOH(aq H20(1) = H;O*(aq) +CH;COO-(aq) Initial (M) Change (M) Equilibrium (M) 5 RESET 0.200 5.00 -5.00 1.0 x 10-9 -1.0 x 10-9 1.0 x 10-5 -1.0 x 10-5 1.8 x 10-5 -1.8 x 10-5 x + 5.00 x - 5.00 х+1.0 x 10-° х - 1.0 х 10-9 x + 1.0 × 10-5 х - 1.0 x 10-5 x + 1.8 × 10-5 х - 1.8 х 10-5
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