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October 1, 2014

Homework Help: Chemistry

Posted by Aria on Monday, September 23, 2013 at 11:06pm.

Select the statements that correctly describe buffers.?

1) The pH of a buffer solution does not change significantly when any amount of a strong acid is added.
2) The Ka of a buffer does not change when any amount of an acid is added to the buffer solution.
3) The pH of a buffer solution is determined by the ratio of the concentration of conjugate base to the concentration of strong acid.
4) A buffer is generally made up of a weak acid and its conjugate base.
5) An acid added to the buffer solution reacts with the weak base of the buffer.

I think it is 2 and 4. I'm not really sure about the rest...

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