Class notes
[CHEM 1120] LAB#3: Acid -Base Titration
- Course
- CHEM 1120 (1120)
- Institution
- Langara College ( )
[CHEM 1120] Completed lab with questions and all answers. Received 100% on the lab.
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Your Name Date lab was doneLAB #3: ACID-BASE TITRATION
DATA & CALCULATIONS
PART A: Titration of Sulphuric Acid Solution (the unknown)
TABLE #1: Titration of 25.00 mL of H2SO4 acid solution with NaOH solution
Trial 1 2 3 4 5
Initial Buret 1.35 1.41 1.00 0.85 1.11
Volume (mL)
Final Buret 26.18 26.50 26.61 27.17 26.73
Volume (mL)
Volume of 24.83 25.09 25.61 26.32 25.62
NaOH (mL)
PART B: Standardization of NaOH Solution (secondary standard) with Potassium Phthalate
(primary standard)
Mass of empty beaker ___50.550______g
Mass of beaker + potassium hydrogen phthalate ___55.500______g
Mass of potassium hydrogen phthalate ___4.950_______g
TABLE #2: Titration of 25.00 mL of KHP with NaOH solution
Trial 1 2 3 4 5
Initial Buret 1.50 1.35 0.89 1.08 0.90
Volume (mL)
Final Buret 26.72 27.75 26.97 27.39 27.40
Volume (mL)
Volume of 25.22 26.40 26.08 26.31 26.50
NaOH used
(mL)
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