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  • For an oxygen molecule (molecular mass 32 g/mole) the mass of single molecule of O2 is <img alt="P \times 10^{-24}g molecules^{-1}" src="/latex-image/?P%20%5Ctimes%2010%5E

For an oxygen molecule (molecular mass 32 g/mole) the mass of single molecule of O2 is

P \times 10^{-24}g molecules^{-1} then what is the value of P?

Option: 1

85.16


Option: 2

53.14


Option: 3

63.23


Option: 4

38.29


Answers (1)

best_answer

Avogadro's Number

N_{A}= \frac{M}{m}

M = molecular mass of the compound

m = mass of single molecules

m_{O_{2}}= \frac{M}{N_{A}}

 

 =\frac{32\: g \: mole^{-1}}{6.022\times 10^{23}molecular\: mole^{-1} }

m_{O_{2}}= 53.14\times 10^{-24}g\: molecule^{-1}

 

Posted by

Ritika Jonwal

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