Chapter 4, Problem 4.112QP

Interpretation Introduction

Interpretation:

The amount (in $\text{g}$) of ${\text{H}}_{\text{2}}$ that is produced from reaction of $\text{1}\text{.00}\times {\text{10}}^2\text{ g}$ of calcium hydride has to be calculated.

Concept Introduction:

Moles:

Mole of the compound is found by dividing mass of the substance with its molar mass.

  $\text{No}\text{. of moles (n) = }\frac{\text{mass}}{\text{Molar mass}}$

Mass:

Mass of the compound is calculated by mole of the compound multiplied with molar mass of the compound.

  $\text{Mass}\text{=}\text{Molar}\text{mass}\text{×}\text{mole}$