Activity 2 - Antacids

Write the formula for Tums? How does Tums chemically react with water and stomach acid?

CaCO3 (Calcium Carbonate)
Insoluble Compound in Water.
CaCO3 ---> Ca + CO3

CO3 + H ---> HCO3 + H ---> H2CO3 ----> H2O + CO2
                                                               <----        

How many Tums are needed to neutralize a can of coke?

 

Coke is much more acidic than a normal stomach. So you would need about 4 or 5 tums to neutralize the can of coke.