AP EAMCET202317 May 2023Morning ShiftChemistrySome Basic Concepts of ChemistryActual
The molality of solution, when 18 ~g of glucose is added to the 18 ~g _ of H ₂ O is
Options
- A0.55 ~m
- B2.55 ~m
- C5.55 ~m
- D55.5 ~m
Correct answer
C. 5.55 ~m
Step-by-step solution
aligned & m ₂=18 ~g , M ₂=180 ~g ~mol ⁻¹, ~m ₁=18 ~g , M ₁=18 ~g & aligned n ₂= m ₂ M ₂ & = 18 180 =0.1 ~mol M ₁=18.0 ~g & =18.0 10⁻³ ~kg molality & = Number of moles of solute Mass of solvent in kg = 0.1 18.0 10⁻³ & =5.55 ~mol ~kg ⁻¹ . aligned aligned