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Question

Sodium bicarbonate, NaHCO,, can be used to treat acid reflex which is an

overproduction of hydrochloric acid in the body. This is accomplished by a two

step reaction, which results in the production of carbon dioxide gas, among other

products.

Show these two reactions, as well as the overall reaction.

Answer 1

NaHCO3 + HCl -------- NaCl + H2CO3

H2CO3 ----------- H2O + CO2

---------------------------------------------------------------

NaHCO3 + HCl ------------ NaCl + H2O + CO2

Answer 2

Acid base neutralization double replacement: NaHCO₃ + HCl → H₂O + H₂CO₃

Decomposition of Carbonic acid H₂CO₃ → H₂O + CO₂

This process is driven forward by the CO₂ escaping as gas (no equilibrium)