One mole of $\;{\rm{C}}{{\rm{O}}_2}$ contains:

$6.02 \times {10^{23}}{\rm{atoms}}\;{\rm{of}}\;{\rm{C}}$

$6.02 \times {10^{23}}{\rm{atoms}}\;{\rm{of}}\;{\rm{O}}$

$3.01 \times {10^{23}}molecules\;of\;C{O_2}$

NEET UG CHEMISTRY MCQ: SOME BASIC CONCEPTS OF CHEMISTRY

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Understanding +4 | -1

One mole of

\;\mathrm{C}{\mathrm{O}_2}

contains:

View answer and explanation

Correct option: A

6.02 \times {10^{23}}\mathrm{atoms}\;\mathrm{of}\;\mathrm{C}

Option A (

6.02 \times {10^{23}}\mathrm{atoms}\;\mathrm{of}\;\mathrm{C}

) is correct because one mole of any substance contains Avogadro's number of entities, and in one mole of

CO_2

there is one mole of C atoms.