What is the concentration of H+ ions in a
buffer solution containing 0.738 M benzoic
acid (with ionization constant 6.5 × 10−5
and 0.325 M sodium benzoate (a salt of benzoic
here we hav eto solve this equation:
6.5*10^(-5) = [y(0.325+y)/(0.758-y)]
where y = [H+]
the unique acceptable solution is:
y=[H+]= 1.476*10^(-4) mol/liter
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