The Ka for benzoic acid is 6.5 x 10-5. What is the pH of a 0.088 M benzoic acid solution? (note: please express your answer with 3 sig figs.; the equilibrium reaction is shown below:) HC,H,O, (aq) + H,O (1) HQ* (ag) + CHOi

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Chapter16: Acids And Bases
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The Ka for benzoic acid is 6.5 x 10-5. What
is the pH of a 0.088 M benzoic acid
solution?
(note: please express your answer with 3
sig figs.; the equilibrium reaction is shown
below:)
HC,H,O, (aq) + H20 (1)
H,ot (ag) + C,H,O,
Transcribed Image Text:The Ka for benzoic acid is 6.5 x 10-5. What is the pH of a 0.088 M benzoic acid solution? (note: please express your answer with 3 sig figs.; the equilibrium reaction is shown below:) HC,H,O, (aq) + H20 (1) H,ot (ag) + C,H,O,
Expert Solution
Analysis

Given : concentration of benzoic acid = 0.088M.

Ka value = 6.5 ×10^-5

To find : PH of resultant solution. 

Solution : As we know that, the ka value of any reaction depends upon the concentration of the reactants and concentration of the products and also it depends upon the coefficients of reactants and products. 

Since we know that, pH of a solution depends upon the final acidic concentration of the substance. 

PH = - log(H+) 

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