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The mole fraction of a solute in a binar...

The mole fraction of a solute in a binary solution is 0.1. At 298 K, molarity of this solution is same as its molality. Density of this solution at 298 K is 2.0 g `cm^(-3)`. The ratio of molecular weights of the solute and the solvent `(M_("solute")//M_("solvent"))` is

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