An acid-base indicator is a substance that changes its color in response to a chemical change. It is often used in titrations in analytical chemistry and biology to determine the point of chemical equivalence when the amount of base equals the amount of acid in solution. The indicator changes color at its characteristic pH value, known as the pKa value. Examples of common indicators include litmus paper, phenolphthalein, and bromothymol blue.

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An acid-base indicator is a substance that changes its color in response to a chemical change. It is often used in titrations in analytical chemistry and biology to determine the point of chemical equivalence when the amount of base equals the amount of acid in solution. The indicator changes color at its characteristic pH value, known as the pKa value. Examples of common indicators include litmus paper, phenolphthalein, and bromothymol blue.

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An acid-base indicator is a substance that changes its color in response to a chemical change. It is often used in titrations in analytical chemistry and biology to determine the point of chemical equivalence when the amount of base equals the amount of acid in solution. The indicator changes color at its characteristic pH value, known as the pKa value. Examples of common indicators include litmus paper, phenolphthalein, and bromothymol blue.

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What is an acid-base indicator?

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