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RyenguinLove

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Mar 27, 2010
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the explanation considered the indicator was a weak acid, but what if the indicator is a weak acid? the result should be yellow instead of red.

I still think the answer should be E
 

ToBeDDSS

Full Member
Nov 20, 2010
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  1. Pre-Dental
The problem says Red is undissociated, therefore this is the protonated form. Yellow is deprotonated form. Since the solution Hal low PH it must be protonated. A is the correct answer.
Hope this helps
 
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