Multiple Choice
The concentration of urea in a solution prepared by dissolving 16 g of urea in 20 g of H2O is __________% by mass. The molar mass of urea is 60.0 g/mol.
A) 44
B) 80
C) 0.44
D) 0.80
E) 0.48
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q3: The vapor pressure of pure water at
Q94: Determine the freezing point (°C)of a 0.015
Q95: A solution is prepared by dissolving 23.7
Q111: Which one of the following is most
Q131: An aqueous solution of a soluble compound
Q132: The Henry's law constant for helium gas
Q134: The concentration of nitrate ion in a
Q140: A solution contains 28% phosphoric acid by
Q145: A supersaturated solution _.<br>A)is one with more
Q157: The principal reason for the extremely low