The osmotic pressure of urea solution at 10^ C is 200 mm and becomes 105.3 mm , when it is diluted and also by raising temperature up to 25^ C . The ratio of final to initial volume is (to nearest integer)

Step-by-step solution

array ll ₁=200 ~mm , & ~T ₁=283 ~K ₂=105.3 ~mm , & ~T ₂=298 ~K ₁= C ₁ R ~T ₁ ₂= C ₂ R ~T ₂ ₁ ₂ = C ₁ ~T ₁ C ₂ ~T ₂ = n / V ₁ n / V ₂ T ₁ ~T ₂ 200 105.3 = V ₂ ~V ₁ 283 298 ~V ₂=2 ~V ₁ array