Considering molar,
Molar mass of Argon (Ar) = 40 g/mol
Molar mass of Neon (Ne) = 20 g/mol
Molar mass of unknown molecule = x g/mol
Total volume = 12.85 L
The total number of moles of Ar, Ne and unknown gas molecule in the gas mixture of 5.2 g,
=
Total volume of these 3 gases at STP is
=
Molar mass of the unknown gas = 28.26 g/mol
N2(Nitrogen mmolecule) has the molar masa 28 g/mol
A gas mixture is made by combining 5.2 g each of Ar, Ne, and an unknown...
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