A 2500-ML Sample of Propionic Acid,HC₃H₅O₂,of Unknown Concentration Was Titrated with with 0.103

question 76

Multiple Choice

A 25.00-mL sample of propionic acid,HC₃H₅O₂,of unknown concentration was titrated with 0.103 M KOH.The equivalence point was reached when 43.88 mL of base had been added.What was the original concentration of the propionic acid?

• A)0.295 M
• B)0.090 M​
• C)0.059 M
• D)0.103 M
• E)0.181 M

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Definitions:

Hyperpigmentation

A condition where patches of skin become darker in color than the normal surrounding skin, often due to an excess of melanin.

Chloasma

A skin condition characterized by dark, discolored patches on the skin, often associated with hormonal changes, such as those occurring during pregnancy.

Xerosis

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Circumscribed Lesion

A well-defined, localized abnormal area on skin or tissue, often differing in color or texture from surrounding areas.