Chapter 17, Problem 17.7P

Interpretation Introduction

Interpretation:

Number of moles of water per moles of cobalt in the reagent has to be calculated.

Concept Introduction:

Molar mass of a substance is the summation of the total mass of each element in grams present in one mole of a molecule. Unit of molar mass is $\text{g}{\text{mol}}^{\text{-1}}$.

${\text{A}}_{\text{x}}{\text{B}}_{\text{y}}$ is a hypothetical molecule, whose molar mass is calculated as follows:

    $\text{Molar}\text{mass}\text{of}{\text{A}}_{\text{x}}{\text{B}}_{\text{y}}=\left(\text{x}\right)\left(\text{Molar}\text{mass}\text{of}\text{A}\right)+\left(\text{y}\right)\left(\text{Molar}\text{mass}\text{of}\text{B}\right)$