vCalcium-based antacids: Tums, Rennies
v
CaCO3 + 2HCl ¨ CaCl2 + H2CO3
H2CO3 ¨ H2O + CO2
v
vMagnesium-based antacids: Mylanta, Milk of
Magnesia
v
Mg(OH)2 + 2HCl ¨ MgCl2 + 2H2O
v
vAluminum-based antacids: Maalox, Mylanta
v
Al(OH)3 + 3HCl ¨ AlCl3 + 3H2O
v
vBicarbonate-based antacids: Alka Seltzer
v
NaHCO3 + 1HCl ¨ NaCl + H2CO3