Multiple Choice
0.0800 g of a compound with the empirical formula C2H2N is dissolved in 10.00 g benzene. The resulting solution freezes at 4.99°C. Benzene freezes at 5.48°C and has a freezing point depression constant of Kf = 4.90°C/m. What is the molecular formula of the compound?
A) C3H2N
B) C3H3N
C) C4H4N2
D) C6H6N3
E) C8H8N4
Correct Answer:

Verified
Correct Answer:
Verified
Q8: 252 mL of 3.00 M H<sub>2</sub>SO<sub>4 </sub>are
Q11: Which of the following organic substances is
Q15: Henry's Law constants for aqueous solutions at
Q20: The stronger the forces between solute and
Q27: A solution is called "ideal" when:<br>A)all intermolecular
Q66: An isotonic solution will produce an osmotic
Q115: Exactly 375.0 mg of an unknown protein
Q123: The vapor pressures of pure hexane and
Q128: Henry's Law states that:<br>A)a supersaturated solution is
Q132: Molality is independent of temperature,molarity is dependent