Thursday
July 31, 2014

Homework Help: Chemistry

Posted by Jody on Saturday, April 28, 2012 at 3:38pm.

1. A good indicator will have a(n)____ close to this volume and pH.
I think it's endpoint but it's wrong.

2. (part a) What is the pH of the solution created by combining 1.70 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)?

2 (part b)What are the pH values if you take into account that the 8.00 mL of 0.10 M Acid was first diluted with 100 mL of water?
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my work so far:
(1.7e-3 L)(0.10 M)= 1.7e-4 mol NaOH
(8e-3 L)(0.10 M)=8e-4 mol HCl
(8e-4 mol Hcl)-(1.7e -4 mol NaOH)=6.3e-4

I don't know what to do next.

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