ZuoTi.Pro
Question

When 151.mg of a certain molecular compound X are dissolved in 30.g of cyclohexane(C6H12), the freezing...

When 151.mg of a certain molecular compound X are dissolved in 30.g of cyclohexane(C6H12), the freezing point of the solution is measured to be 1.7°C.Calculate the molar mass of X.

science   chemistry   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1


0 0
Add a comment
Know the answer?
Add Answer to:
When 151.mg of a certain molecular compound X are dissolved in 30.g of cyclohexane(C6H12), the freezing...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • When 0.49 g of a molecular compound was dissolved in 20.00 g of cyclohexane, the freezing...

    When 0.49 g of a molecular compound was dissolved in 20.00 g of cyclohexane, the freezing point of the solution was lowered by 3.9 degree C. Determine the molecular mass of this compound. The molar freezing point depression constant of cyclohexane 20.4 degree C/m. (K_f = 20.4 degree C/m)

  • When 4.25 g of a certain molecular compound X are dissolved in 60. g of formamide...

    When 4.25 g of a certain molecular compound X are dissolved in 60. g of formamide (NH.COH), the freezing point of the solution is measured to be 2.2 C. Calculate the molar mass of X. If you need any additional information on formamide, use only what you find in the ALEKS Data resource. Also, be sure your answer has a unit symbol, and is rounded to the correct number of significant digits. x ?

  • When 2.22 g of a certain molecular compound X are dissolved in 75. g of benzene...

    When 2.22 g of a certain molecular compound X are dissolved in 75. g of benzene C6H6, the freezing point of the solution is measured to be 0.5 °C. Calculate the molar mass of X. If you need any additional information on benzene, use only what you find in the ALEKS Data resource. Also, be sure your answer has a unit symbol, and is rounded to the correct number of significant digits.

  • When 10.5 g of a certain molecular compound X are dissolved in 75. g of benzonitrile...

    When 10.5 g of a certain molecular compound X are dissolved in 75. g of benzonitrile (CAH,CN), the freezing point of the solution is measured to be -13.8 °C. Calculate the molar mass of X. If you need any additional information on benzonitrile, use only what you find in the ALEKS Data resource. Also, be sure your answer has a unit symbol, and is rounded to 1 significant digit. OP X 5

  • When 151. g of benzamide C7H7NO are dissolved in 1200. g of a certain mystery liquid...

    When 151. g of benzamide C7H7NO are dissolved in 1200. g of a certain mystery liquid X, the freezing point of the solution is 8.0 °C lower than the freezing point of pure X. On the other hand, when 151. g of iron(III) chloride are dissolved in the same mass of X, the freezing point of the solution is 20.5°C lower than the freezing point of pure X. Calculate the van't Hoff factor for iron(III) chloride in X. Be sure...

  • A 3.314−g sample of a mixture of cyclohexane (C6H12) and naphthalene (C10H8) is dissolved in 45.40...

    A 3.314−g sample of a mixture of cyclohexane (C6H12) and naphthalene (C10H8) is dissolved in 45.40 g of benzene (C6H6). The freezing point of the solution is 2.00 ° C. Calculate the mass percent of the mixture.

  • The freezing point of cyclohexane is 6.50°C. For cyclohexane solvent Kr=20.0. 0.142 g of an unknown...

    The freezing point of cyclohexane is 6.50°C. For cyclohexane solvent Kr=20.0. 0.142 g of an unknown solute is dissolved in 7.78 g of cyclohexane (C6H12). The freezing point of the solution was 3.35°C. Calculate the corresponding molar mass of the solute. g/mol 1 homework pts Submit Answer Tries 0/5 To the above solution a further 0.133 g of the unknown is dissolved. The freezing point of the resulting solution was 0.77°C. Calculate the corresponding molar mass of the solute. g/mol...

  • Molar Mass of a Solute The freezing point of cyclohexane is 6.50°C. For cyclohexane solvent Kf=20.0....

    Molar Mass of a Solute The freezing point of cyclohexane is 6.50°C. For cyclohexane solvent Kf=20.0. 0.147 g of an unknown solute is dissolved in 7.71 g of cyclohexane (C6H12). The freezing point of the solution was 3.38°C. Calculate the corresponding molar mass of the solute. g/mol 1homework pts Submit Answer Tries 0/5 To the above solution a further 0.139 g of the unknown is dissolved. The freezing point of the resulting solution was 0.85°C. Calculate the corresponding molar mass...

  • Molar Mass of a Solute The freezing point of cyclohexane is 6.50°C. For cyclohexane solvent Kp=20.0....

    Molar Mass of a Solute The freezing point of cyclohexane is 6.50°C. For cyclohexane solvent Kp=20.0. 0.141 g of an unknown solute is dissolved in 7.90 g of cyclohexane (C6H12). The freezing point of the solution was 3.33ºC. Calculate the corresponding molar mass of the solute. g/mol 1homework pts Submit Answer Tries 0/5 To the above solution a further 0.132 g of the unknown is dissolved. The freezing point of the resulting solution was 0.75°C. Calculate the corresponding molar mass...

  • 0.230 g of a compound is dissolved in 10 g of cyclohexane. the solution freezes at...

    0.230 g of a compound is dissolved in 10 g of cyclohexane. the solution freezes at 5.12 degrees celcius. calculate the molecular weight of the compound. the freezing point of pure benzene is 5.455 degrees Celsius and the kf = 5.065 degrees Celsius/ m

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT