Chemistry Lab report:
- Aim: To determine the concentration of acetic acid (CH3COOH)/Vinegar in the given sample.
- Hypothesis- The concentration will be determined by carrying out an experiment of titration of titrating the acetic acid with sodium hydroxide(NaOh) and getting the concentration by using the formula M1V1=M2V2 where m is the molarity and v is the volume.
- Apparatus: The materials needed for the experiment a pipette for taking exactly 25 ml of sodium hydroxide to put into the conical flask. A burette is needed for the acetic acid for an exact amount of volume to take. Distilled water is needed to rinse the burette before conducting the experiment, a conical flask is for the sodium hydroxide, a burette stand is to hold the burette, a tile, a dropper to drop the phenoptelin , a beaker to pour the acid into the burette , acetic acid for the experiment to get the concentration and phenoptelin indicator for turning the NaOH to pink.
- Variables: The independent variable for the experiment is the volume of the acid in the burette. And the drops of phenoptelin (indicator) used for the experiment.
- Constant: The factors that were constant in the experiment are the volume of NaOH used for all the three readings and the concentration of the sodium hydroxide throughout the experiment.
- Procedure of the experiment: