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Grade: 11
        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
3 years ago

Answers : (1)

Vikas TU
9499 Points
							
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. 
3 years ago
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