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May 31, 2012 AGENDA: 1 – Bell Ringer & Part. Log 2 – Review HW 3 – Demo 4 – pH Indicator Activity Today’s Goal: Students will be able to analyze pH indicators.

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Presentation on theme: "May 31, 2012 AGENDA: 1 – Bell Ringer & Part. Log 2 – Review HW 3 – Demo 4 – pH Indicator Activity Today’s Goal: Students will be able to analyze pH indicators."— Presentation transcript:

1 May 31, 2012 AGENDA: 1 – Bell Ringer & Part. Log 2 – Review HW 3 – Demo 4 – pH Indicator Activity Today’s Goal: Students will be able to analyze pH indicators to determine the acidity or basicity of a solution. Homework 1. pH Indicators 2. If absent Fri (5/25), make up Quiz 18 by TOMORROW! 3. If absent Tue (5/22), make up Acid Base Lab by TOMORROW! 4. ALL work is due TOMORROW!

2 pH Indicators! 1. What is a pH indicator?  A compound that is used to determine a pH change of a solution. 2. How do indicators work?  Indicators change color when the concentration of H + or OH - ions changes. The chemical compounds form new compounds with the ions with different colors.

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