Question

based on the molecular models, which is not a possible product when combining sulfuric acid (h₂so₄) and calcium carbonate (caco₃)?
(a)
a calcium sulfate caso₄
b calcium nitrate can₂o₆
c water h₂o
d carbon dioxide co₂
(b) why is the product you selected in the previous question not a possible product?
a there are no sulfur atoms in the reactants so it cant be a product
b there are no carbon atoms in the reactants so it cant be a product
c there are no oxygen atoms in the reactants so it cant be a product
d there are no nitrogen atoms in the reactants so it cant be a product

Explanation:

(a)

When sulfuric acid (\(H_2SO_4\)) reacts with calcium carbonate (\(CaCO_3\)), the reaction is \(H_2SO_4 + CaCO_3=CaSO_4 + H_2O+CO_2\). The reactants \(H_2SO_4\) and \(CaCO_3\) contain \(H\), \(S\), \(O\), \(Ca\), \(C\) atoms. Calcium nitrate (\(CaN_2O_6\)) contains nitrogen (\(N\)) atoms. Since there is no nitrogen in the reactants (\(H_2SO_4\) and \(CaCO_3\)), calcium nitrate cannot be a product.

According to the law of conservation of mass, atoms are neither created nor destroyed in a chemical reaction. The reactants \(H_2SO_4\) (\(H\), \(S\), \(O\)) and \(CaCO_3\) (\(Ca\), \(C\), \(O\)) have no nitrogen (\(N\)) atoms. So a product with nitrogen (like \(CaN_2O_6\)) cannot form.

Answer:

B. Calcium Nitrate \(CaN_2O_6\)

(b)