2HCL(aq)+Mg(OH)2(s)-> MgCl2(aq)+ 2 H2O
1. Demonstrate a correct numerical setup for calculating the number of moles of Mg(OH)2(gram -formula mass = 58.3 grams/mole) in an 8.40 gram sample.
2. Determine the numbers of moles of Mg (OH)2 are required to neutralize this excess hydrochloric acids if a person produces 0.050 moles of excess HCl in the stomach?
3. Write down the chemical formula for sodium hydrogen carbonate. Brand B antacid contains the acid - neutralizing agent sodium hydrogen carbonate.