Suppose the fluid in the stomach of a man suffering from indigestion can be considered to be 150.mL of a 0.045 M HCl solution. What mass of NaHCO3 would he need to ingest to neutralize this much HCl

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter15: Acid–base Equilibria
Section: Chapter Questions
Problem 7P
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Sodium hydrogen carbonate

NaHCO3

, also known as sodium bicarbonate or "baking soda", can be used to relieve acid indigestion. Acid indigestion is the burning sensation you get in your stomach when it contains too much hydrochloric acid

HCl

, which the stomach secretes to help digest food. Drinking a glass of water containing dissolved

NaHCO3

neutralizes excess

HCl

through this reaction:

HCl

(aq)

+
NaHCO3

(aq)

NaCl

(aq)

+
H2O

(l)

+
CO2

(g)The

CO2

gas produced is what makes you burp after drinking the solution.

 

Suppose the fluid in the stomach of a man suffering from indigestion can be considered to be

150.mL

of a

0.045

M

HCl

solution. What mass of

NaHCO3

would he need to ingest to neutralize this much

HCl

? Be sure your answer has the correct number of significant digits.

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