Question

explain why NaHCO3 is an essential ingredients in antacids

Answer 1

The excess of acid in the stomach causes acidity. As NaHCO3 is alkaline in nature,it neutralizes the excess acid and relieves discomfort. Hence it is an essential ingredient in antacids. Following equation explains its reaction with HCl
NaHCO3 +HCl - NaCl+H2O+CO2

HOPE THIS HELPS

Answer 2

NaHCO3 is an essential ingredient in antacids, as it is a mildly basic edible, non-poisonous salt. It can react with HCl, in the stomach, and give us relief from acidity easily.

NaHCO3+HCl --> NaCl+H2O+CO2

CO2