Multiple Choice
What is the mole fraction of urea,CH4N2O,in an aqueous solution that is 37% urea by mass?
A) 0.15
B) 0.85
C) 0.37
D) 0.54
E) 0.66
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q17: The fact that the boiling point of
Q18: What is the vapor pressure at 20°C
Q19: Calculate the molecular weight of a small
Q20: A concentrated hydrofluoric acid solution is 49.0%
Q21: Osmotic pressure is<br>A)inversely proportional to mass fraction.<br>B)directly
Q23: What is the molar mass of an
Q24: The volume of a 24.0% (by mass)solution
Q25: Which way of expressing concentration is used
Q26: What mass of a 29.0% by mass
Q27: What is the molality of ethanol,C<sub>2</sub>H<sub>5</sub>OH,in an