Calculate the molal freezing point constant

Assignment Help Chemistry
Reference no: EM13114937

2.0 moles of a nonelectrolyte solute are added to 1.0 kg of an unknown solvent. The freezing point is depressed by 7.9 K. Calculate the molal freezing point constant (Kf?) for this solvent.

Reference no: EM13114937

Questions Cloud

Business probability and statistics assistance : You are managing an equity portfolio with the S&P 500 as the performance benchmark. You are introducing a new indicator to your analysis, the basis spread between the S&P index spot and futures contract prices.
Explain research methods which runs the greatest risk : You are conducting a study for which it is critical that the findings be representative of the population of interest. Which of the following research methods runs the greatest risk.
Explain reassures employees and the community : Explain A crazed gunman drives his pickup truck into the side of a popular restaurant during the lunch hour rush. The man gets out of his truck and begins to fire on restaurant patrons
Coefficient of static friction among the coin and turntable : What is the coefficient of static friction among the coin and the turntable? Express your answer using two significant figures.
Calculate the molal freezing point constant : 2.0 moles of a nonelectrolyte solute are added to 1.0 kg of an unknown solvent. The freezing point is depressed by 7.9 K. Calculate the molal freezing point constant (Kf?) for this solvent.
Explain the principle and advantage of rapid identification : Explain the principle and advantage of using a rapid identification system, such as the Enterotube. How would you rate the Enterotube system with conventional bacteriological procedures to identify members of the Enterobacteriaceae family? Why?
Capital employed ratio formula : The capital employed ratio formula is used to determine how efficiently capital is being used to generate sales. It subtracts all assets not directly associated with operations, such as investments, and divides the remainder into annual sales.
Clerify her altitude as she crosses the bar : Neglect air resistance, as well as any energy absorbed by the pole, and clerify her altitude as she crosses the bar.
Describe the order of evolutionary events : Describe the order of evolutionary events going from a lineage of small carnivorous dinosaur to modern-looking bird. Describe the evidence in support of this evolutionary sequence.

Reviews

Write a Review

Chemistry Questions & Answers

  Determine the molarity of the naoh

Determine the molarity of the NaOH(sodium hydroxide) solution. In an acid-base titration, 22.13 mL of a sodium hydroxide solution are required to neutralize 24.65 mL of the potassium hydrogen phthalate solution?

  Calculate the length in km of a row

Calculate the length in km of a row containing 1 mole of hydrogen atoms laid side to side if diameter of a hydrogen atom =.212 nm?

  What is the molarity of the na2s2o3 solution

What is the molarity of the Na 2 S 2 O 3 solution if a 0.150 g sample of KIO 3 required 10.7 mL of Na 2 S 2 O 3 solution for its standardization?

  To what temperature must the specimen be heated

To what temperature must the specimen be heated and how much Sn should be mixed to the 1.5-kilograms specimen at the temperature of twenty five degree celsius to achieve this state?

  Calculate the formula mass of hemoglobin

Molecules can be as small as a few atoms or as large as thousands of atoms. In 1962, Max F. Prutz and John C. Kendrew were awarded the Nobel Prize for their discovery of the structure of hemoglobin.

  Determine the ion notation for an atom

Determine the ion notation for an atom with  18 electrons and 20 protons

  Radio message to reach earth from saturn

Radio waves travel at the speed =3.00 108 m/s(speed of light,). if Saturn is 7.9 108 km from Earth then Determine how many minutes does it take for a radio message to reach Earth from Saturn?

  Calculate concentration of naclo solution

Calculate concentration of NaClO solution from that equation and calculate How many grams of this nuclide in a  sample of 4.00 g will remain after 112 years?

  Estimate the activation energy for reverse reaction

The activation energy for the reaction NO 2 (g)+CO 2 (g)?NO(g)+CO(g) is E a = 100kJ/mol and the change in enthalpy for the reaction is ΔH = -200kJ/mol. What is the activation energy for the reverse reaction?

  Find out the substance at bottom of the beaker

you just need to find out Which Substance (given) will be to fall to the bottom of the beaker by combining them with H 2 O In A Beaker?

  Find out the isotopic mass of 41k

The percentage natural abundances of 39k and 41k are 93.2581% and 6.7302%, respectively. find out the isotopic mass of 41k.?

  Calculate the empirical formula

Calculate the empirical formula, Molecular weight, and molecular formula of the compound when an organic compound has C=55.8% and H=7.03%. A 1.500g sample was vaporized collected over H2O and found to occupy 0.500L at 100C and 764 mmHg. (vapor pre..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd