Part A Calculate the pH of a buffer solution composed of 0.080 mol · L-1 chloroacetic acid (CH2CICOOH) and 0.025 mol · L- sodium chloroacetate (CH2C1COONa) by using the equilibrium method. The Ka for CH2CICOOH is 1.4 × 10-3. Express your answer to two decimal places. AZ¢ pH = Submit Request Answer Part B Calculate the pH of a buffer solution composed of 0.080 mol · L-1 chloroacetic acid (CH2 CICOOH) and 0.025 mol · L- sodium chloroacetate (CH2 cICOONa) by using the Henderson-Hasselbalch equation. The Ka for CH2C1COOH is 1.4 × 10-3, Express your answer to two decimal places. ΑΣφ ? pH = Submit Request Answer

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Part A
Calculate the pH of a buffer solution composed of 0.080 mol · L1 chloroacetic acid (CH2 CICOOH) and
0.025 mol · L-1 sodium chloroacetate (CH2CICOONA) by using the equilibrium method. The Ka for
CH2 CICOOH is 1.4 × 10¬3.
Express your answer to two decimal places.
ΑΣφ
?
pH =
Submit
Request Answer
Part B
Calculate the pH of a buffer solution composed of 0.080 mol · L-1 chloroacetic acid (CH2 CICOOH) and
0.025 mol · L-1 sodium chloroacetate (CH2 CICOONA) by using the Henderson-Hasselbalch equation. The
Ka for CH2 CICOOH is 1.4 × 10-3.
Express your answer to two decimal places.
ΑΣφ
?
pH =
Submit
Request Answer
Transcribed Image Text:Part A Calculate the pH of a buffer solution composed of 0.080 mol · L1 chloroacetic acid (CH2 CICOOH) and 0.025 mol · L-1 sodium chloroacetate (CH2CICOONA) by using the equilibrium method. The Ka for CH2 CICOOH is 1.4 × 10¬3. Express your answer to two decimal places. ΑΣφ ? pH = Submit Request Answer Part B Calculate the pH of a buffer solution composed of 0.080 mol · L-1 chloroacetic acid (CH2 CICOOH) and 0.025 mol · L-1 sodium chloroacetate (CH2 CICOONA) by using the Henderson-Hasselbalch equation. The Ka for CH2 CICOOH is 1.4 × 10-3. Express your answer to two decimal places. ΑΣφ ? pH = Submit Request Answer
Compare the two answers. Which one is the correct pH?
Match the words in the left column to the appropriate blanks in the sentences on the right.
Reset
Help
high
The equilibrium constant is quite
and the concentrations are
low
Therefore, the
cannot be used in this example since the x is small assumption is not
valid. Thus, the pH calculated using the
is correct.
Henderson-Hasselbalch
equation
equilibrium method
Submit
Request Answer
Transcribed Image Text:Compare the two answers. Which one is the correct pH? Match the words in the left column to the appropriate blanks in the sentences on the right. Reset Help high The equilibrium constant is quite and the concentrations are low Therefore, the cannot be used in this example since the x is small assumption is not valid. Thus, the pH calculated using the is correct. Henderson-Hasselbalch equation equilibrium method Submit Request Answer
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