High School / Chemistry

Le Chatelier's Principle

In this lab, students will use a pH sensor to determine how concentration changes effect the equilibrium of a system. Students will relate pH values with the acid-base indicator phenolphthalein.


Student Files

28_Le_Chateliers_Principle_S.doc 508.00 KB
28_Le_Chateliers_Principle_S.pdf 235.59 KB

Featured Equipment

pH Sensor

Wireless pH Sensor

Here’s the best tool for measuring pH since litmus paper. The Wireless pH Sensor connects via Bluetooth® to monitor the pH of solutions.

Many lab activities can be conducted with our Wireless, PASPORT, or even ScienceWorkshop sensors and equipment. For assistance with substituting compatible instruments, contact PASCO Technical Support. We're here to help.

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Source: Lab #28

Chemistry Through Inquiry

Le Chatelier's Principle