MHT CET202410 May 2024Evening ShiftChemistrySolutionsActual
Calculate molar mass of nonvolatile solute if a solution containing 0.35 g solute in 100 g .water has boiling point elevation 0.01 K [ K _ b =0.50 ~K ~kg ~mol ⁻¹ . ]
Options
- A265 ~g ~mol ⁻¹
- B175 ~g ~mol ⁻¹
- C105 ~g ~mol ⁻¹
- D195 ~g ~mol ⁻¹
Correct answer
B. 175 ~g ~mol ⁻¹
Step-by-step solution
aligned & T _ b = K _ b m = K _ b 1000 ~W ₂ ~W ₁ M ₂ & M ₂= 1000 0.50 ~K ~kg ~mol ⁻¹ 0.35 ~g 100 ~g 0.01 ~K & M ₁=175 ~g ~mol ⁻¹ aligned