NaOH Titration Flashcards

Flashcards for NaOH concentration determination lab.

Objective of the experiment

Determination of NaOH concentration by titration with a standardized 0.10 mol/L HCl solution.

Skills Developed

To learn how to use volumetric lab equipment such as a volumetric flask, pipette, pipette pump, and burette.

Research problem

Determine the concentration of NaOH by titration with a standardized 0.10 mol/L HCl solution.

Materials

Burette, stand, burette clamp, 250 mL Erlenmeyer flask, 100 mL graduated cylinder, 10 mL pipette, funnel, white card

Reagents

Phenolphthalein, distilled water, NaOH solution, HCl solution

Step 1 of Procedure

Pipette 10 mL of NaOH solution into an Erlenmeyer flask, add a few drops of phenolphthalein, and homogenize.

Step 2 of Procedure

Fill the burette with 0.10 mol/L HCl solution.

Step 4 of Procedure

Titrate until the solution becomes colorless.

Step 6 of Procedure

Perform the titration three times and calculate the average volume added.

Calculations

Calculate the concentration of NaOH in the solution in mol/L and m/V%.