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Answer to Question #55848 in General Chemistry for saeed
Question #55848
write a balanced equation for the reaction of the active ingredient in Tums with excess acid.
Expert's answer
There are two active components in Tums: magnesium carbonate and calcium carbonate. Normally, they are used to neutralize the main component of gastric acid - hydrochloric acid:
MgCO3 + 2HCl = MgCl2 + H2O + CO2;
CaCO3 + 2HCl = CaCl2 + H2O + CO2
MgCO3 + 2HCl = MgCl2 + H2O + CO2;
CaCO3 + 2HCl = CaCl2 + H2O + CO2
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