please help within five minutes

Chemistry
Tutor: None Selected Time limit: 1 Day

Acrylic acid is a weak monoprotic acid with Ka = 5.5×10-5 M. NaOH(s) was gradually added to 1.00 L of 8.58×10-2 M acrylic acid.

1)Calculate the pH of the solution after the addition of 8.58×10-2 mol of NaOH(s). 

Feb 16th, 2015

Please note that, here we have:

[H+] = (8580-8.58v)/(1000+v) * 10^(-2), where v is the volume of NaOH added

so using the formula for the Equilibrium constant, we get:

v = 149 mL

and:

[H+] = 0.06354

so:

pH = 1.197

Feb 17th, 2015

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Feb 16th, 2015
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Feb 16th, 2015
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