Determine the mass of solid NaCH:COO 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 × 10-8.

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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 CH₃COOH to form a buffer with a pH equal to 5.00. The value of Ka for CH₃COOH is 1.8 × 10⁻⁵.

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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 CH3COOH to form a buffer with a pH equal to 5.00. The value
of Ka for CH3COOH is 1.8 × 10-5.
1
2
3
NEXT
>
Let x represent the original concentration of CH:COO- in the water. Based on the given values, set up
the ICE table in order to determine the unknown.
CH:COOH(aq) +
H:O(I)
H:O*(aq)
CH:COO (аq)
+
Initial (M)
Change (M)
Equilibrium (M)
2 RESET
0.200
5.00
-5.00
1.0 x 10-9
-1.0 x 109
1.0 x 105
-1.0 x 10-5
1.8 x 10-5
-1.8 x 10-5
x + 5.00
X - 5.00
x + 1.0 x 10-
x - 1.0 x 10-°
x + 1.0 x 10s
x - 1.0 × 10-5
x + 1.8 x 105
x - 1.8 × 105
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Transcribed Image Text:y! amazon movies - ВЫ ВЬ Home - Blackb X Bb 6 Conservation of Inbox (1,709) - coll X R.DRAKE – CHEM 101 Chem101 Search results for G Complete the bala + а app.101edu.co Question 2 of 20 Submit Determine the mass of solid NaCH3COO that must be dissolved in an existing 500.0 mL solution of 0.200 M CH3COOH to form a buffer with a pH equal to 5.00. The value of Ka for CH3COOH is 1.8 × 10-5. 1 2 3 NEXT > Let x represent the original concentration of CH:COO- in the water. Based on the given values, set up the ICE table in order to determine the unknown. CH:COOH(aq) + H:O(I) H:O*(aq) CH:COO (аq) + Initial (M) Change (M) Equilibrium (M) 2 RESET 0.200 5.00 -5.00 1.0 x 10-9 -1.0 x 109 1.0 x 105 -1.0 x 10-5 1.8 x 10-5 -1.8 x 10-5 x + 5.00 X - 5.00 x + 1.0 x 10- x - 1.0 x 10-° x + 1.0 x 10s x - 1.0 × 10-5 x + 1.8 x 105 x - 1.8 × 105 O 20201004_200626.jpg| Show all 8:26 PM e Type here to search 10/4/2020 .. 1L
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