The number of chlorine atoms in 20 mL of chlorine gas at STP is 1021. – InterviewSolution

1.	The number of chlorine atoms in 20 mL of chlorine gas at STP is 1021. (Round off to the Nearest Integer).[Assume chlorine is an ideal gas at STPR=0.083 L bar mol−1K−1, NA=6.023×1023]
Answer» The number of chlorine atoms in 20 mL of chlorine gas at STP is $10^{21}$ . (Round off to the Nearest Integer). $[A s s u m e c h l o r i n e i s a n i d e a l g a s a t S T P R = 0.083 L b a r m o l^{- 1} K^{- 1}, N_{A} = 6.023 \times 10^{23}]$

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