Relative Acidities of Hydrocarbons

Explain how the Henderson-Hesselbach equation can be used, in conjunction with a titration curve, to determine a pKa. 

What is the pH of a solution of acetic acid (pKa = 4.75) that has been titrated with an equivalent of NaOH  

Draw the resonance structures of the following charged molecules  

Which cation from Problem 3 is more stable, 3(g) or 3(h) Explain using partial charges. 

Arrange the following groups of molecules in order of increasing acidity. Explain your results using partial charges and inductive effects. 

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