(a) Substitute formulae for names and balance the following equation :

1.	(a) Substitute formulae for names and balance the following equation : Calcium carbonate reacts with hydrochloric acid to produce calcium chloride, water and carbon dioxide gas. (b) Write balanced chemical equation with state symbols for the following reaction : Sodium hydroxide solution reacts with hydrochloric acid solution to produce sodium chloride solution and water.
Answer» (a) CaCO₃ + 2HCl —–> CaCl₂ + H₂O + CO₂ (b) NaOH (aq) + HCl(aq) —–> NaCl (aq) + H₂O (l)

(a) Substitute formulae for names and balance the following equation : Calcium carbonate reacts with hydrochloric acid to produce calcium chloride, water and carbon dioxide gas. (b) Write balanced chemical equation with state symbols for the following reaction : Sodium hydroxide solution reacts with hydrochloric acid solution to produce sodium chloride solution and water.

Answer»

(a) CaCO₃ + 2HCl —–> CaCl₂ + H₂O + CO₂

(b) NaOH (aq) + HCl(aq) —–> NaCl (aq) + H₂O (l)