Calculate the molality and mole fraction of the solute in aqueous solution containing 3.0 g of urea per 250 gm of water (Mol.wt. of urea = 60).
A. 0.2 m, 0.00357
B. 0.4 m, 0.00357
C. 0.5 m, 0.00357
D. 0.7 m, 0.00357
Answer:A
Calculate the molality and mole fraction of the solute in aqueous solution containing 3.0 g of urea per 250 gm of water (Mol.wt. of urea = 60).
A. 0.2 m, 0.00357 B. 0.4 m, 0.00357 C. 0.5 m, 0.00357 D. 0.7 m, 0.00357