When a person’s stomach oversecretes gastric juices containing hydrochloric acid, the person treats it with antacids. Some antacids in the market are made up of aluminum hydroxide (Al (OH)3 ), milk of magnesia (Mg (OH2) ), and sodium bicarbonate (NaCOH3). Which of the three antacids is more effective per gram?
Al (OH)3 + 3 HCl (aq) -> AlCl3 (aq) + 3H2O (l)
Mg (OH)2 (s) + 2 HCl (aq) -> MgCl2 +2 H2O (l)
NaHCO3 (s) + HCI (aq) -> NaCl (aq) + H2O (l) + CO2 (g)
When a person’s stomach oversecretes gastric juices containing hydrochloric acid, the person treats it with antacids. Some antacids in the market are made up of aluminum hydroxide (Al(OH)3), milk of magnesia (Mg(OH)2), and sodium bicarbonate (NaHCO3). Which of the three antacids is more effective per gram?
Note: the effective antacids can be determined by computing for the
highest number of moles of hydrochloric acids that react with the given
antacids.
Al(OH)3 + 3HCl → AlCl3 + 3H2O
Mg(OH)2 + 2HCl → MgCl2 + 2H2O
NaHCO3 + HCl → NaCl + H2O + CO2
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