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April 20, 2014

Homework Help: Chemistry

Posted by Hannah on Saturday, April 14, 2012 at 9:00pm.

A buffer solution is prepared by adding 14.37g of NaC2H3O2 and 16.00g of acetic acid to enough water to make 500mL of solution.


What is the initial concentration of C2H3O2 in the solution?

Ka(HC2H3O2)=1.8e-5

HC2H3O2 = H3O+ + c2h3O2

the molar mass of NaC2H3O3 = 82.04

I know that m=mol NaC2H3O2 / L
so would I do 82.04 / .05?

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