State experiencing heartburn takes a dose of an antacid drug

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Stomach acid, having a pH of approximately 2, is used to aid in digestion. When a person experiencing heartburn takes a dose of an antacid drug, like Tums or Rolaids, a neutralization reaction occurs in the stomach. How is it chemically possible for the stomach acid to remain acidic even after the neutralization reaction occurs?

Reference no: EM13290104

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