April 18, 2024, 11:22:08 AM
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Topic: How do you write the chemical equation for acetic acid and potassium hydroxide?  (Read 24712 times)

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Offline omgwtfitsp

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acetic acid + potassium hydroxide -> ?

CH3COOH(aq) + KOH(aq) -> KCH3COO + H2O

or

CH3COOH(aq) + KOH(aq) -> CH3COOK + H2O

I looked around for this answer and I found two different answers. Which is the correct one?

Edit: It seems to me the first one is correct because K+ go before CH3COO-. I may be wrong however.

Offline Borek

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Both answers are acceptable. Acetic acid can be written as CH3COOH, CH3CO2H, or even C2H4O2. First two formulae are sometimes called semistructural, as they try to show how the molecule really looks like, as opposed to the third one. Potassium acetate can be written as CH3COOK or CH3CO2K, to underline fact that potassium displaces hydrogen from carboxylic group. But sometimes it is written first, as that's the way we write formulae of inorganic salts (starting with the metal).
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