Question

5. Cyclohexane has a normal freezing point of 6.50 °C. What is the molecules weight of...

5. Cyclohexane has a normal freezing point of 6.50 °C. What is the molecules weight of dissolving solution when the freezing change to ( -4.3c) The a solution made by dissolving 0.694 g  in 25.0 g of cyclohexane?

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Cyclohexane has a freezing point of 6.50 ∘C and a Kf of 20.0 ∘C/m. What is...
Cyclohexane has a freezing point of 6.50 ∘C and a Kf of 20.0 ∘C/m. What is the freezing point of a solution made by dissolving 0.540 g of biphenyl (C12H10) in 25.0 g of cyclohexane?
For cyclohexane, C6H12, the normal melting point is 6.47°C and the heat of fusion at this...
For cyclohexane, C6H12, the normal melting point is 6.47°C and the heat of fusion at this temperature is 31.3 J/g. Find the freezing point of a solution of 188 mg of pentane, C5H12, in 16.45 g of cyclohexane. Assume an ideally dilute solution and that only pure cyclohexane freezes out. R= 8.3145 J/mol.K, T(K)=T(°C)+273.15. The molecular weight of pentane is 72.15 g/mol
Benzene has a normal freezing point of 5.50°C and a molal freezing point depression constant of...
Benzene has a normal freezing point of 5.50°C and a molal freezing point depression constant of 5.12°C/m. A solution prepared by dissolving 0.335g of compound X in 5.00g of benzene has a freezing point of 1.34°C. Assuming that compound X is a nonelectrolyte, what is the molar mass of compound X?
A certain substance X has a normal freezing point of -6.4 C and a molal freezing...
A certain substance X has a normal freezing point of -6.4 C and a molal freezing point depression constant Kf= 3.96 degrees C.kg.mol-1. A solution is prepared by dissolving some urea ((NH2)2CO) in 950. g of X. This solution freezes at -13.6 C. calculate the mass of urea that was dissolved. Round your answer to 2 significant digits.
A 0.991g sample of an unknown was dissolved in 10.8 g cyclohexane. If the freezing point...
A 0.991g sample of an unknown was dissolved in 10.8 g cyclohexane. If the freezing point depression of the solution was 4.17°C, find the molar mass of the unknown. See Table 1 (in your lab book) for freezing point information concerning cyclohexane.
Problem Page A certain liquid X has a normal freezing point of −8.9°C and a freezing...
Problem Page A certain liquid X has a normal freezing point of −8.9°C and a freezing point depression constant Kf=5.59·°C·kg*mol−1. Calculate the freezing point of a solution made of 66.5g of benzamide (C7H7NO) dissolved in 900.g of X. Be sure your answer is rounded to the correct number of significant digits.
What is the freezing point (in K) of a solution made by dissolving 13.136g of CCl4...
What is the freezing point (in K) of a solution made by dissolving 13.136g of CCl4 in 130.0 g of benzene?  Pure benzene has a freezing point of 5.5°C and a Kf = 5.12 °C/m. Write your answer in Kelvin!
) Pure benzene, C6H6, has a density of 0.8765 g/ml, a freezing point of 5.45oC and...
) Pure benzene, C6H6, has a density of 0.8765 g/ml, a freezing point of 5.45oC and a boiling point of 80.2oC. Its freezing point depression constant, Kf, is 5.07oC/m. A solution was made by taking 24.20 grams of an unknown non-electrolyte and dissolving it in 125.0 grams of benzene. The measured freezing point of the solution was -1.65oC. Calculate the molecular weight of the unknown substance. 258 g/mole 145 g/mole 138 g/mole 272 g/mole 595 g/mol
The normal freezing point of a certain organic solvent is 5.50 degrees C. When 0.3003 g...
The normal freezing point of a certain organic solvent is 5.50 degrees C. When 0.3003 g of naphthalene (C10H8) is dissolved in 9.9876 g of this solvent, the solution has a freezing point of 4.32 Degrees C. What is the freezing point depression constant (kf) in Degree C/m, for this solvent?
A solution is prepared by dissolving 0.24 g of a solute in 12.7 g of cyclohexane....
A solution is prepared by dissolving 0.24 g of a solute in 12.7 g of cyclohexane. What is the freezing point change, rTf? Round off answer to to one place after the decimal: __ . __ °C (MM, molar mass of solute = 128.19 g/mol)
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT