Thursday 19 February 2015

Classic results for NaOH and HCl titration

Getting a classic set of results for the  titration of NaOH and HCl is not that difficult but it is nice when we can get students to this first time every time.

We are using the Pasco sensors and the Capstone software to capture the information.

In this experiment we are titrating NaOH against HCl.
 We set the burette dripping at a constant rate and then measure the temperature change and the pH change using probes.

The magnetic stirrer ensures the compounds are well mixed and the Sparklink Air delivers the information to the laptop where the information is captured instantaneously.
The experiment is quick to set up and easy to use, and most importantly very easy to replicate.
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