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Calculate the pH for each of the following cases in the titration of 25.0 mL of...

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Chemistry

Calculate the pH for each of the following cases in thetitration of 25.0 mL of 0.230A pyridine, C5H5N(aq) with 0.230MHBr(aq):

a.) before addition of any HBr

b.) after addition of 12.5 mL of HBr

c.) after addition of 20.0 mL of HBr

d.) after addition of 25.0 mL of HBr

e.) after addition of 36.0 mL of HBr

Answer & Explanation Solved by verified expert
4.0 Ratings (393 Votes)
a For only pyridine Kb 17 x 109 Pyridine aqueous equilibrium C5H5N H2O C5H5NH OH Kb 17 x 109 C5H5NH OH C5H5N Using concentrations in equilibrium 17 x 109 x2 023 x Concentration of OH x 00000197729 pOH    See Answer
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