Las células epiteliales del estómago producen ácido clorhídrico HCI y su producción en exceso puede producir perforaciones en la mucosa. Una de las maneras de controlar dicho exceso es tomando una solución de bicarbonato de sodio NaHCO3, porque *
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Answer and Explanation:
El bicarbonato de sodio (o carbonato ácico de sodio, NaHCO₃) es utilizado como antiácido debido a que neutraliza al ácido clorhídrico (HCl) en el estómago. Al ser disuelto en agua, el NaHCO₃ se disocia en iones como sigue:
NaHCO₃ → Na⁺ + HCO₃⁻
El anión bicarbonato (HCO₃₋) sufre hidrólisis, aceptando H⁺ del agua y liberando iones hidroxilo (OH⁻):
HCO₃⁻ + H₂O → H₂CO₃ + OH⁻
Por lo tanto, la solución de NaHCO₃ es básica y sus aniones OH⁻ pueden neutralizar los H⁺ del HCl en el estómago, reduciendo la acidez.
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