Chemistry · 2021
JEE Main · 17 March 2021, Shift 2 · Q51
The number of chlorine atoms in 20 mL of chlorine gas at STP is \ \ \ \ 10^21. (Round off to the Nearest Integer). [Assume chlorine is an ideal gas…
The number of chlorine atoms in $\displaystyle 20$ mL of chlorine gas at STP is \_\_\_\_ $\displaystyle 10^{21}$. (Round off to the Nearest Integer).
[Assume chlorine is an ideal gas at STP
$\displaystyle \mathrm{R}=0.083 \mathrm{~L}$ bar $\displaystyle \left.\mathrm{mol}^{-1} \mathrm{~K}^{-1}, \mathrm{~N}_{\mathrm{A}}=6.023 \times 10^{23}\right]$
Official answer
1
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