pH Lab

Materials
-citric acid (sour keys)
-plastic dish
-weighing scale
-big beaker
-3 small beaker
-scoopula
-titration device
-sodium hydroxide
-phenolphthalein
-stand and clamp
-heater

Procedure


– We boiled the candy in water so that it will melt and mix with the water

– We divided the solution up into three beakers and began the titrations

– Once we finished the titrations we calculated how much NaOH we used

Results and Calculations

Analysis:
The internet said that the pH of Citric acid is 3.2
When we did our calculations we got 2.14.
This may have been due to human error.

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