Homework Help: chem lab (webwork)

Posted by need help student on Tuesday, April 13, 2010 at 7:19pm.

When a good indicator has been chosen, the pH at which the solution changes color is very close to the
point of the titration.
Complete the table below:
If this "point" for a particular titration occurs at pH x, a good indicator for for the titration would be ______________.
Note: Provide only 1 indicator name (even if there are other indicators possible) and make sure the spelling is correct.
X indicator
1.5
3.5
6.1
8.9

chem lab (webwork) - DrBob222, Tuesday, April 13, 2010 at 7:33pm
Here are three sites that will give you a list of indicators and their pH ranges. The first one is a little skimpy on the list BUT the discussion is VERY good.

http://www.chemguide.co.uk/physical/acidbaseeqia/indicators.html

http://en.wikipedia.org/wiki/Titration

http://www.ausetute.com.au/indicata.html

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