Chapter 3, Problem 3.19P

(a)

Interpretation Introduction

Interpretation:Moles in $285.3\text{ g}$ of cis-platinis to be calculated.

Concept introduction: The formula to convert mass in grams to moles is as follows:

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

The formula to convert number of molecules or atoms to moles is as follows:

  $\text{Number of moles}=\frac{\text{Given number of molecules}}{6.022\times {10}^{23}}$

(b)

Interpretation Introduction

Interpretation: Number of $\text{H}$ atoms in $0.98\text{ mol}$ of cisplatinis to be calculated.

Concept introduction: The formula to convert moles to mass in grams is as follows:

  $\text{Mass}=\left(\text{Number of moles}\right)\left(\text{molar mass}\right)$

The formula to convert number of molecules or atoms to moles is as follows:

  $\text{Number of moles}=\frac{\text{Given number of molecules}}{6.022\times {10}^{23}}$