Question & Answer: 45.51 mL of a 0.1011 M NaOH solution is used to neutralize 50.00 mL of an unknown acid. (a) Calculate the concentration of the unknown acid solution. The equivalence point was found to be pH = 9.011 (b) What is the pK_a of the weak acid? Expert Answer Anonymous Anonymous answered this 0 0 2,226 answers…..

45.51 mL of a 0.1011 M NaOH solution is used to neutralize 50.00 mL of an unknown acid. (a) Calculate the concentration of the unknown acid solution. The equivalence point was found to be pH = 9.011 (b) What is the pK_a of the weak acid?

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