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October 23, 2014

Homework Help: AP Chemistry

Posted by Ana on Monday, January 3, 2011 at 10:20pm.

We're doing a lab in my class and we're supposed to make a buffer at a certain pH.

I have decided to make a buffer with a pH of 5.0 using glacial acetic acid (pure CH3COOH) and sodium acetate.

I found that the ratio of acid to base is 1.41 M: 1.0 M and now I'm stuck.

My teacher only has 17.4 M glacial acetic acid and we basically have to dilute it in 75 mL of water. And I'm confused at this point. Help me please with a step by step description on how to do this?

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