The mole and the Avogadro constant — practice question

The Avogadro constant has a value of $6.02 \times 10^{23}$. How many atoms are present altogether in $2.00\,\text{mol}$ of ammonia gas?

• A$1.20 \times 10^{24}$
• B$2.41 \times 10^{24}$
• C$4.82 \times 10^{24}$
• D$2.89 \times 10^{25}$