Alka-Seltzer is a medication for acid reflux/heartburn, but one of the active ingredients is “anhydrous citric acid.” I understand that this is what makes it fizzy, but I don’t understand how an acid could be one of the active ingredients in an antacid medication. Can anyone explain?
In: Chemistry
Citric acid is a weak acid, very weak compared to the hydrochloric acid of the stomach. It’s just there react with the sodium bicarbonate in Alka Seltzer so that when you plop plop it fizz fizzes.
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