A 2500-ML Sample of Propionic Acid,HC₃H₅O₂,of Unknown Concentration Was Titrated with with 0.143

question 28

Multiple Choice

A 25.00-mL sample of propionic acid,HC₃H₅O₂,of unknown concentration was titrated with 0.143 M KOH.The equivalence point was reached when 43.76 mL of base had been added.What was the original concentration of the propionic acid?

• A) 0.295 M
• B) 0.125 M
• C) 0.082 M
• D) 0.143 M
• E) 0.250 M

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