Question

1. Marble is calcium carbonate (CaCO₃). Its reaction with hydrochloric acid is

                                    CaCO₃ + 2HCl  CaCl₂ + CO₂ + H₂O

What was the gas produced when marble reacted with HCl? Write chemical equations for the reactions of marble with two other acids. Do these reactions have anything in common? In light of your observations, speculate on the damage to marble statues and buildings caused by acid rain.

2. What generalization can you make about the effect of changing the concentration of sulfuric acid? Suppose the acid concentrations were reduced 100-fold, 1000-fold, or even more?

Answer 1

Cach, tcg eyo. caca + 2Hel - cą gas is produced. Caca & #804 Casoa + cg + ho. Caco + 2HNO → ca (NOB) & co +6o. yes, all this reach produces a calcium salt which is i , co & Bof the calcium salt doesn't reach with caca but mare a yellowish coves on them. This is called store cancer: Also, the ca produced make toy acid that cause acid Rain 2. If the conc. of sulphinc acid is reduced, then Ale to le chetelieis principle backwand React is ferroured. So, stone cancer & scid rain probability reduces