Chapter 7, Problem 42E

a) How many molecules are in $\text{3}\text{.61 g}$ ${\text{F}}_2$?

b) How many atoms are in $\text{3}\text{.61 g}$ ${\text{F}}_{\text{2}}$?

c) How many atoms are in $\text{3}\text{.61 g}$ $\text{F}$?

d) What is the mass of $3.61\times {10}^{23}$ $\text{F}$ atoms?

e) What is the mass of $3.61\times {10}^{23}$ ${\text{F}}_2$ molecules?