277548 A 5.25\% solution of a substance is isotonic with a $1.5 \%$ solution of urea (molar mass $=60 \mathrm{~g} \mathrm{~mol}^{-}$ ${ }^{1}$ ) in the same solvent. If the densities of both the solutions are assumed to be equal to $1.0 \mathrm{~g}$ $\mathrm{cm}^{-3}$, molar mass of the substance will be
277548 A 5.25\% solution of a substance is isotonic with a $1.5 \%$ solution of urea (molar mass $=60 \mathrm{~g} \mathrm{~mol}^{-}$ ${ }^{1}$ ) in the same solvent. If the densities of both the solutions are assumed to be equal to $1.0 \mathrm{~g}$ $\mathrm{cm}^{-3}$, molar mass of the substance will be
277548 A 5.25\% solution of a substance is isotonic with a $1.5 \%$ solution of urea (molar mass $=60 \mathrm{~g} \mathrm{~mol}^{-}$ ${ }^{1}$ ) in the same solvent. If the densities of both the solutions are assumed to be equal to $1.0 \mathrm{~g}$ $\mathrm{cm}^{-3}$, molar mass of the substance will be
277548 A 5.25\% solution of a substance is isotonic with a $1.5 \%$ solution of urea (molar mass $=60 \mathrm{~g} \mathrm{~mol}^{-}$ ${ }^{1}$ ) in the same solvent. If the densities of both the solutions are assumed to be equal to $1.0 \mathrm{~g}$ $\mathrm{cm}^{-3}$, molar mass of the substance will be
277548 A 5.25\% solution of a substance is isotonic with a $1.5 \%$ solution of urea (molar mass $=60 \mathrm{~g} \mathrm{~mol}^{-}$ ${ }^{1}$ ) in the same solvent. If the densities of both the solutions are assumed to be equal to $1.0 \mathrm{~g}$ $\mathrm{cm}^{-3}$, molar mass of the substance will be