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What property is an acid-base indicator used to measure?

A. pH
B. Solubility
C. Temperature
D. Density


Sagot :

Final answer:

Acid-base indicators are utilized to determine the acidity or basicity of a solution by measuring the pH through color changes based on the hydronium ion concentration.


Explanation:

Acid-base indicators are used to measure the acidity or basicity of a solution based on the pH. They are organic substances that change color depending on the hydronium ion concentration. A common example is phenolphthalein which is colorless in acidic solutions and red in basic solutions.


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