AP EAMCET · Chemistry · Solutions
\(6 \mathrm{~g}\) of a non-volatile solute \((\mathrm{x})\) is dissolved in \(100 \mathrm{~g}\) of water. The relative lowering of vapour pressure of resultant solution is 0.006 . What is the molar mass (in \(\mathrm{g} \mathrm{mol}^{-1}\) ) of \(\mathrm{x}\) ?
- A \(60\)
- B \(360\)
- C \(100\)
- D \(180\)
Answer & Solution
Correct Answer
(D) \(180\)
Step-by-step Solution
Detailed explanation
\begin{aligned} & \text {} \frac{\Delta \mathrm{P}}{\mathrm{P}^0}=0.006, \mathrm{~m}_1=100 \mathrm{~g}, \mathrm{~m}_2=6 \mathrm{~g}, \mathrm{M}_1=18.0 \mathrm{~g} \mathrm{~mol}^{-1} \\ & \frac{\Delta…
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