Answer
$$5.39 \times 10^{24} \space atoms \space of \space Fe$$
$$8.953 \space moles \space Fe$$
Work Step by Step
- Calculate or find the molar mass for $ Fe $:
$ Fe $ : 55.85 g/mol
- Using the molar mass as a conversion factor, find the amount in moles:
$$ 500.0 \space g \times \frac{1 \space mole}{ 55.85 \space g} = 8.953 \space moles$$
$$ 8.953 \space mole \space \times \frac{6.02 \times 10^{23} \space atoms }{1 \space mole} = 5.39 \times 10^{24} \space atoms $$
