NEET2011ChemistrySolutionsActual
200 ~mL of an aqueous solution of a protein contains its 1.26 ~g . The osmotic pressure of this solution at 300 ~K is found to be 2.57 10⁻³ bar. The molar mass of protein will be
Options
- A51022 ~g ~mol ⁻¹
- B122044 ~g ~mol ⁻¹
- C31011 ~g ~mol ⁻¹
- D61038 ~g ~mol ⁻¹
Correct answer
D. 61038 ~g ~mol ⁻¹
Step-by-step solution
aligned & =C R T &= w 1000 M V( in mL ) R T & [ C= n 1000 V( in mL ) and n= w M ] &= 1.26 1000 0.083 300 2.57 10⁻³ 200 &=61038 ~g ~mol ⁻¹ aligned