Titration data Trial 1 Trial 2 Trial 3 Initial burette reading (mL) 1.19 2.26 2.39 Molarity of NaOH (M) 0.100 0.100 0.100 Volume of vinegar sample (mL) 5.00 5.00 5.00 Final burette reading (mL) 48.55 49.43 49.99 Expected color at end point Volume of NaOH used (mL) Average Volume of NaOH used in liters Average moles of NaOH used (mol) Average moles of acetic acid (mol)
Titration data Trial 1 Trial 2 Trial 3 Initial burette reading (mL) 1.19 2.26 2.39 Molarity of NaOH (M) 0.100 0.100 0.100 Volume of vinegar sample (mL) 5.00 5.00 5.00 Final burette reading (mL) 48.55 49.43 49.99 Expected color at end point Volume of NaOH used (mL) Average Volume of NaOH used in liters Average moles of NaOH used (mol) Average moles of acetic acid (mol)
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter15: Acid–base Equilibria
Section: Chapter Questions
Problem 95AP
Related questions
Question
Table 2. Titration data
|
Trial 1
|
Trial 2
|
Trial 3
|
|
|---|---|---|---|
|
Initial burette reading (mL)
|
1.19
|
2.26
|
2.39
|
|
Molarity of NaOH (M)
|
0.100
|
0.100
|
0.100
|
|
Volume of vinegar sample (mL)
|
5.00
|
5.00
|
5.00
|
|
Final burette reading (mL)
|
48.55
|
49.43
|
49.99
|
|
Expected color at end point
|
|
|
|
|
Volume of NaOH used (mL)
|
|
|
|
Average Volume of NaOH used in liters
Average moles of NaOH used (mol)
Average moles of acetic acid (mol)
Average molarity of acetic acid (M)
Average mass of acetic acid (g)
Average mass of vinegar (g) (assume the density of vinegar is 1.00 g/mL)
Average mass % of acetic acid in vinegar
Known mass % of acetic acid in vinegar is 5.45%
Percent Error
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