Chapter 8.2, Problem 4PPB

Interpretation Introduction

Interpretation:

The masses of products formed should be determined if the $\text{11}\text{.85g}$ of compound (${\text{C}}_{\text{4}}{\text{H}}_{\text{10}}\text{O}$) undergoes combustion reaction.

Concept introduction:

• Combustion of hydrocarbon produces ${\text{CO}}_{\text{2}}$ and ${\text{H}}_{\text{2}}\text{O}$.
• Balanced chemical equation of a reaction is written according to law of conservation of mass.
• Mole ratios between the reactants and products of a reaction are depends upon the coefficients of respective reactant in a balanced chemical equation.
• Equation for number of mole of a compound from its given mass,

$\text{Number of moles}\text{=}\frac{\text{Given}\text{mass}}{\text{Molecular}\text{mass}}$

• Number of grams of a substance from its number of moles is,

$\text{Number of moles}\text{×}\text{Molecular}\text{mass in grams}\text{=}\text{Number}\text{of}\text{grams}$