November 30, 2015

Homework Help: chemistry

Posted by help meeee pleaaseee on Sunday, October 9, 2011 at 12:57pm.

Okay so I did this problem, but it seems wrong? I put the answers I got...

Determine the pH of the following tiration at each of the points indicated. A 71.7 mL solution of 0.182 M NaOH is titrated with 0.2086 M HCL.

1.) initial pH= is it 7.86 or 8.51?
2.) after addition of 10.0 mL of HCL= is it 9.98?
3.) after addition of 25.0 mL of HCL= is it 9.50
4.) 50.0 mL of HCL= is it 8.65?
5.) 100.0 mL HCL= is it 5.18?

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