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April 25, 2015

Homework Help: chemistry

Posted by linda on Friday, January 15, 2010 at 5:08pm.

pH Indicators
7 test tubes
Added 5mL of water of 0.1 HCl and 5mL of water to 1st test tube.
Poured 9mL of water to remaining 6 test tubes.
Poured 1mL of solution from 1st test tube to 2nd.
Poured 1mL from 2nd to third.
Poured 1mL from 3rd to 4th.
" " 4th to 5th.
" " 5th to 6th.
" " 6th to 7th.
I added 2 drops of bromothymol blue to each and recorded color.
What is the Concentration(M) and the pH of each test tube?
How do I start?

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