Arrhenius Definition of Acids
Definition
According to Arrhenius, an acid is any substance that when dissolved in water increases the concentration of hydrogen ions (H+).
Analogy
Imagine acids as salty snacks at your party. Just as adding more salty snacks makes your party saltier, adding more acid into water makes it have more H+ ions.
Related terms
Base (Arrhenius Definition): A base is any substance that increases the concentration of hydroxide ions (OH-) when dissolved in water.
pH Scale: A measure used to specify how acidic or basic a water-based solution is.
Neutralization Reaction: A chemical reaction between an acid and a base which results in formation of salt and water.
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