Homework Help: Chemistry

Posted by Alexa on Tuesday, May 4, 2010 at 7:18pm.

a solution is prepared using .015 L of 1.0 M HCl and .020 L of .50 M HNO3. the final volume of the solution is 1.25 L. Answer th following questions.
a)what are the [H3O+] and [OH-] in the final solution?
b)What is the pH of the final solution?

Chemistry - DrBob222, Tuesday, May 4, 2010 at 7:21pm
moles HCl = M x L
moles HNO3 = M x L
M final soln = total moles/total liters.
(H^+) = molarity
Then pH = -log(H^+)
Chemistry - Alexa, Tuesday, May 4, 2010 at 7:23pm
Thanks!

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