Which of these statements is correct?
- A$1.0\,\text{g}$ of hydrogen gas contains $3.0 \times 10^{23}$ atoms.
- B$4.0\,\text{g}$ of helium gas contains $1.2 \times 10^{24}$ atoms.
- C$16\,\text{g}$ of methane gas contains $3.0 \times 10^{24}$ atoms.
- D$44\,\text{g}$ of carbon dioxide gas contains $6.0 \times 10^{23}$ atoms.