Q:

What is the pH level of Coke?

A:

Quick Answer

The pH of Coke products ranges from 2.5 to 4.2. The most acidic Coke product is Coke Classic, which has a pH of 2.5. These beverages contain phosphoric acid, an additive used to enhance the flavor of soft drinks.

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What is the pH level of Coke?
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Full Answer

In addition to phosphoric acid, Coke products also contain carbonic acid. This forms when carbon dioxide, which makes soft drinks bubbly, reacts in a solution. Bob Peeples, a chemical engineer, says acidic drinks are not dangerous because the stomach already has an acidic environment. The stomach has specialized cells that produce hydrochloric acid, which has a pH of 2.0. This acid is stronger than the phosphoric acid or carbonic acid found in cola products.

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