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How can I identify an Arrhenius acid?

Answer 1

Natalie Anton

Usually the formula of an Arrhenius acid begins with H.

You can find the definition of an Arrhenius acid at

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Examples of Arrhenius acids are

Hydrochloric acid, HCl
Nitric acid, HNO₃
Sulfuric acid, H₂SO₄
Acetic acid, HC₂H₃O₂

These all have H as the first element in the formula.

Note: Acetic acid is a carboxylic acid. When you take organic chemistry, you will learn that carboxylic acids are usually written with the acidic H at the end. Thus, in organic chemistry, the formula for acetic acid is CH₃COOH.

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Answer 2

Wyatt Atkins

You can identify an Arrhenius acid by its ability to produce hydrogen ions (H⁺) when dissolved in water.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.