C-06-Q184: Number of O atoms in 1 mole $\mathrm{CO_2}$—

a

6.023 \times 10^{23}

b

2 \times 6.023 \times 10^{23}

c

3 \times 6.023 \times 10^{23}

d

4 \times 6.023 \times 10^{23}

Number of O atoms in 1 mole CO2\mathrm{CO_2}CO2​—