Now they feel it is best to have you identify an unknown gas based on its properties. suppose 0.508 g of a gas occupies a volume of 0.175 l at a temperature of 25.0◦c is held at a pressure of 1.000 atm. what gas is this most likely?
neon
chlorine
fluorine
oxygen
krypton

Option (b) is the correct answer.

Explanation:

The given data is as follows.

             mass = 0.508 g,               Volume = 0.175 L

             Temperature = (25 + 273) K = 298 K,       P = 1 atm

As per the ideal gas law, PV = nRT.

where,  n = no. of moles =

Hence, putting all the given values into the ideal gas equation as follows.

               PV =            

           1 atm \times 0.175 L =  

                            = 71.02 g

As the molar mass of a chlorine atom is 35.4 g/mol and it exists as a gas. So, molar mass of is 70.8 g/mol or 71 g/mol (approx).

Thus, we can conclude that the gas is most likely chlorine.

samuel de champlain. in 1608, king henry iv sponsored pierre dugua, sieur de mons and samuel de champlain as founders of the city of quebec with 28 men. this was the second permanent french settlement in the colony of canada.

yes

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