The pH of Pepsi is 2.53. This means that Pepsi is quite acidic, similar to the pH of stomach acid.
The pH scale measures the acidity or alkalinity of a substance. A pH of 7 is neutral, while values below 7 are acidic, and values above 7 are alkaline.
Pepsi's acidity is due to the presence of acids like phosphoric acid and citric acid, which are added for flavor and to provide a fizzy, carbonated texture.
Note: While Pepsi's acidity is similar to stomach acid, it's important to remember that the concentration of acids in Pepsi is much lower than in stomach acid.
