If the relative lowering of pressure of o-xylene is 0.005 due to addit – McqOptions

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1.	If the relative lowering of pressure of o-xylene is 0.005 due to addition of 0.5 grams of non-volatile solute in 500 grams of solvent, what is the molecular weight of the solute?
A.	21.3 g/mole
B.	23.1 g/mole
C.	32.1 g/mole
D.	1.23 g/mole
Answer» B. 23.1 g/mole

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