Lysine Is an Amino Acid That Is an Essential Part $\degree$

Multiple Choice

Lysine is an amino acid that is an essential part of nutrition but which is not synthesized by the human body. What is the molar mass of lysine if 750.0 mL of a solution containing 8.60 g of lysine has an osmotic pressure of 1.918 atm? Temperature = 25.0 $\degree$ C

A) 110. g/mol
B) 146 g/mol
C) 220. g/mol
D) 1340 g/mol
E) 1780 g/mol