Answered

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How many moles are present in 63.80L of oxygen gas, O2?

Sagot :

quasarJose

Answer:

2.85moles of oxygen gas

Explanation:

Given parameters:

Volume of oxygen gas  = 63.8L

Unknown:

Number of moles  = ?

Solution:

We assume that the gas is under standard temperature and pressure. To find the number of moles, use the expression below:

     1 mole of a gas at STP occupies a volume of 22.4L

 So;

       63.8L of oxygen gas will take up a volume of

              [tex]\frac{63.8}{22.4}[/tex]   = 2.85moles of oxygen gas

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