$A$ solution of $5.6 \ g$ nonvolatile solute in $50 \ g$ solvent has an elevation in boiling point of $1.75 \ K$. What is the molar mass of the solute $\left(K_{b} = 3 \ K \ kg \ mol^{-1}\right)$?
- A$192 \ g \ mol^{-1}$
- B$200 \ g \ mol^{-1}$
- C$184 \ g \ mol^{-1}$
- D$176 \ g \ mol^{-1}$
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