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Nunber of nitrogen molecules in 1.12cm3 at STP is options a)6.o22×1023 b)3.011× 1018 c)6.022 ×1018 d)3.022 ×1020

Nunber of nitrogen molecules in 1.12cm3 at STP is options a)6.o22×1023 b)3.011× 1018 c)6.022 ×1018 d)3.022 ×1020

Grade:11

1 Answers

Vikas TU
14149 Points
5 years ago
moles of Nitrogen at STP = V/22.4
=> 1.12/22.4*1000
=> 5 x 10^-5
No. of molecules = 5 x 10^-5 x 6 x 10^23
 => 3 x 10^19 molecules. 

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