M4 Periodic Table: Chemical Equations
Slide 22 of 30
Practice Questions
1. Balance the following equations.
–a) Zinc + hydrochloric acid ® zinc chloride + Hydrogen
– __ Zn (s) +  __ HCl (aq) ®   __ ZnCl2 (aq) +  __ H2 (g)
–b) Sodium oxide + sulfuric acid à sodium sulfate + water
– __ Na2O (s) +  __ H2SO4 (aq) ®   __ Na2SO4 (aq) + __ H2O (l)
–c) copper oxide + hydrochloric acid à copper(II) chloride + water
– __ CuO (s) +  __ HCl (aq) ®   __ CuCl2 (aq) +  __ H2O (l)
–d) Zinc oxide + sulfuric acid à zinc sulfate + water
– __ ZnO (s) +   __ H2SO4 (aq) ®  __ ZnSO4 (aq) +  __ H2O (l)
–e) Sodium hydroxide + sulfuric acid à sodium sulfate + water
– __ NaOH (aq) +   __ H2SO4 (aq) ®  __ Na2SO4 (aq) + __ H2O (l)
–f) Barium hydroxide + hydrochloric acid à barium chloride + water
– __ Ba(OH)2 (aq) +   __ HCl (aq) ®  __ BaCl2 (aq) +  __ H2O (l)