What are the [H₃O⁺] and the pH of a propanoic acid– propanoate buffer that consists of 0.35 M CH₃CH₂COONa and 0.15 M CH₃CH₂COOH (Ka of propanoic acid = 1.3X10⁻⁵)?

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23-08-2022
Chemistry

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What are the [H₃O⁺] and the pH of a propanoic acid– propanoate buffer that consists of 0.35 M CH₃CH₂COONa and 0.15 M CH₃CH₂COOH (Ka of propanoic acid = 1.3X10⁻⁵)?

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Tutorconsortium347 Tutorconsortium347 · Answer 1 · 2022-08-30T00:39:41-04:00

The equation above describes how carboxylic acid propanoic acid, CH3CH2COOH, reacts with water. CH3CH2COOH has a pH of 2.79 at 25°C.

What is the use of propanoic acid?

Propionic acid, with the chemical formula CH3CH2CO2H, is a naturally occurring carboxylic acid. It is a liquid with a strong, foul scent that resembles a body odor. Propionates or propanoates are the names for the anion CH3CH2CO2, as well as the salts and esters of propionic acid. Propionic Acid is an oily, colorless liquid with a powerful, disagreeable smell. It functions as an antibacterial, fungicide, and preservative. It determines exposures that may be dangerous. Because it is mentioned by the EPA, DOT, NIOSH, NFPA, ACGIH, and NFPA Substance List. Carboxylic Acid is the generic term for propanoic acid.

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