A solution of 1.8274g of a polypeptide in 274mL of a aqueous solution has an osmotic pressure at 31.40 degrees C of 2.012 mmHg. The approximate molecular weight of this polymer is g/mol.

Hence, the approximate molecular weight of the poymer is 64106 g/mol

Explanation:

where,

= osmotic pressure of the solution = 2.012 mm Hg =  0.0026 atm

i = Van't hoff factor = 1 (for non-electrolytes)

Mass of solute (polypeptide) = 1.8274 g  

Volume of solution = 274 mL

R = Gas constant =

T = temperature of the solution =

Putting values in above equation, we get:

Hence, the approximate molecular weight of the poymer is 64106 g/mol

answer; /// i do believe that the correct answer is (a) boiling

the mass of the cathode increases because ions from the solution get reduced to atoms and become part of the cathode.

explanation:

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