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"Acids and Bases-pH Indicators" icon

Acids and Bases-pH Indicators

This is an experiment designed to use pH values of solutions to determine if a solution is acidic or basic and to emphasize a common mistake made by students.  Two different indicators are used.  When using different indicators, it is not unusual for students to make the mistake of recording a pH based on the color observed for the first indicator.  The students do not realize they are incorrectly stating that the color of an...

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