Calculate the Molality of C₂H₅OH in a Water Solution That

Multiple Choice

Calculate the molality of C₂H₅OH in a water solution that is prepared by mixing 50.0 mL of C₂H₅OH with 100.0 mL of H₂O at 20°C. The density of the C₂H₅OH is 0.789 g/mL at 20°C.

A) 1.24 m
B) 0.086 m
C) 8.56 m
D) 0.094 m
E) none of these