Question

4) How many liters are in 9.23*10^19 molecules of oxygen gas?

Answer 1

0.0034L

Explanation:

Given parameters:

Number of molecules of oxygen gas = 9.23 x 10¹⁹molecules

Unknown:

Volume of oxygen =  ?

Solution:

Assuming the gas is at standard temperature and pressure conditions;

 Volume of gas = number of moles x 22.4

we need to find the number of moles of the oxygen gas;

   number of moles = $\frac{number of particles}{6.02 x 10[tex]^{23}$}[/tex]

 Number of moles = $\frac{9.23 x [tex]10^{19}$}{6.02 x 10$^{23}$}[/tex]

Number of moles = 1.53 x 10⁻⁴moles

Volume of gas =  1.53 x 10⁻⁴ x 22.4 = 0.0034L

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