$10^{21}$ molecules areramoved from $200 {mg}$ of ${CO}_2$. The moles of ${CO}_2$ left are :

JEE CHEMISTRY MCQ: SOME BASIC CONCEPTS OF CHEMISTRY

1 Medium

1 of 1

Application +4 | -1

10^{21}

molecules areramoved from

200 {mg}

{CO}_2

. The moles of

{CO}_2

left are :

View answer and explanation

Correct option: A

2.84 \times 10^{-3}

The correct answer is A (

2.84 \times 10^{-3}

) because it is the result of subtracting the moles of CO₂ removed from the initial moles of CO₂.

Practice All Chapter MCQs →

{H_2}O.

mol\,\,k{g^{ - 1}})

2.24 {~L}

{CH}_4

{CO}_2

0.5 \mathrm{M} \mathrm{H}_2 \mathrm{SO}_4

0.5 \mathrm{~g}

\mathrm{Cu}(\mathrm{II})