Chapter 3, Problem 112IE

(a)

Interpretation Introduction

Interpretation: The balanced chemical equation for the given reaction.

Concept introduction:

According to the law of conservation of mass, mass can neither be created nor destroyed. The mass of reactants is equal to the mass of products formed. Therefore a chemical equation, having lesser number of moles of an element on either side of a reaction, is balanced using appropriate numerical coefficients to satisfy the law of conservation of mass.

(b)

Interpretation Introduction

Interpretation: The amount of calcium oxide required to eliminate the sulfur dioxide.

Concept introduction:
The amount of calcium oxide is calculated by the product of number of moles and molar mass of calcium oxide.
The amount $\left(m\right)$ of $\text{CaO}$ required to eliminate ${\text{SO}}_{\text{2}}$ per day is calculated as,

   $m=n\times M$

(c)

Interpretation Introduction

Interpretation: The amount of calcium sulfite produced daily.

Concept introduction:
The amount of calcium sulfite is calculated by the product of number of moles and molar mass of calcium sulfite. The amount $\left(m\right)$ of ${\text{CaSO}}_{\text{3}}$ produced daily is calculated as,

   $m=n\times M$