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September 5, 2015

Homework Help: chem

Posted by Heather on Tuesday, May 1, 2012 at 5:20pm.

Complete the table below: Note: Make simplifying assumptions, do not use the quadratic formula.
What is the pH of the solution created by combining 1.00 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)?

table 1:
mL NaOH=1.00
pH wHCl=1.12
pH wHC2H3O2=3.87


Complete the table below: Note: Make simplifying assumptions, do not use the quadratic formula.
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
(like it will be in the experiment you perform in lab)?

table 2:
mL NaOH=1.00
pH wHCl=?
pH wHC2H3O2=3.87

As you can see, I got all of the answers correct except for the last HCL one. I thought it was 1.12 like the other table, but I was wrong. I need help

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