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45.2: Introduction

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    29379
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    Acids contribute hydrogen ions (\(\ce{H+}\)) into a solution during a chemical reaction, making them proton donors.  Bases contribute hydroxide ions (\(\ce{OH-}\)) into a solution during a chemical reaction or bond with a proton making them proton accepters.  Phenol solution turns yellow in acidic solutions and remains red in basic solutions.  There are many indicators that a chemical reaction has occurred, including color change. 

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    45.2: Introduction is shared under a CC BY license and was authored, remixed, and/or curated by LibreTexts.

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