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In order to determine the molecular weight of a particular protein,0.01g of the protein was dissolved in water to make 2.93mL of solution. The osmotic pressure was determined to be 0.821 torr 20.00c at . What is the molecular weight of the protein?
Asked by s.ojaswini17 | 05 Feb, 2019, 02:29: AM
Expert Answer
Given:
Weight of protein = 0.01 g
Volume of solution = 2.93 ml
=2.93× 10-3 litre
Osmoti pressure Π = 0.821 torr
= 0.00108 atm
Temperature T = 20 °C
= 20 + 273
=293 K
Molecular weight of the protein M =?
R = 0.0821 litatmmol-1K-1
We know,
Molecular weight =
Molecular weight of protein is 82300 g/mol
Answered by Varsha | 05 Feb, 2019, 11:58: AM
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