Explain mass percentage and a solution of ethylene glycol

Assignment Help Chemistry
Reference no: EM13126537

Molarity explained in this solution
Question: Ethylene glycol, C2H6O2 (MW=62.1mol) has a density of 40.0 mass percentage and a solution of ethylene glycol in water is 1.0514 g/mL at 20 EC. Calculate the molality of the solution. Calculate the molarity of the solution.

Reference no: EM13126537

Questions Cloud

Volume expressed in terms of height : A cylindrical drill with radius r1 is used to bore a hole through the center of a sphere of radius r2. Find the volume of the ring-shaped solid that remains.
What mass of hcn and of h2o will be produced : If 5.28 x 10^3 kg each of NH3, O2, and CH4 are reacted, what mass of HCN and of H2O will be produced, assuming 100% yield?
Explain what is the kf value for this solvent : A solution of 0.2113 g of water dissolves in 25.0 g of a solvent which freezes at 11.5 EC below the freezing point for the pure solvent. What is the Kf value for this solvent?
Annual lease payment : The lease terms are arranged so that a return of 12% is earned by the lessor, what is the annual lease payment required to yield the desired return???
Explain mass percentage and a solution of ethylene glycol : Ethylene glycol, C2H6O2 (MW=62.1mol) has a density of 40.0 mass percentage and a solution of ethylene glycol in water is 1.0514 g/mL at 20 EC. Calculate the molality of the solution
Volume of ring-shaped solid : A cylindrical drill with radius 2 is used to bore a hole throught the center of a sphere of radius 7. Find the volume of the ring shaped solid that remains using polar coordinates.
Prepare each of the journal entries listed below related : Top Company obtained 100 percent of Bottom Company's common stock on January 1, 20X6 by issuing 12,500 shares of its own common stock, which had a $5 par value and a $15 fair value on that date.
Define important information about redox titration : Important information about Redox titration, How do I calculate the moles of iron (ore sample) and how do I calculate the mass percent of iron in the ore from this problem
Construct confidence interval for proportion of all quebec : Construct and interpret a 99% confidence interval for the proportion of all quebec adults who would allow doctor assisted suicide.

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate the concentrations of all species in na2so3

Calculate the concentrations of all species in a 0.750 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.

  What molar ratio of sodium acetate to acetic acid should be

What molar ratio of sodium acetate to acetic acid should be used to prepare a buffer with pH = 4.5? Ka acetic acid = 1.8 x 10-5.

  Determine the relative amount of electric energy

Compare a refrigerator set at four degree celcius and a freezer set at minus twenty degree celsius, both of which are operating in the room at the temperature of eighteen degree celsius.

  How long will it take to plate out

A solution containing Pt4+ is electrolyzed with a current of 5.80 A. How long will it take to plate out 79% of the platinum in 0.50 L of a 0.010 M solution of Pt4+.

  What is the ph at the equivalence point

65.50 mL of 0.161 M HF is titrated with 0.1200 M NaOH. What is the pH at the equivalence point.

  What is the final temperature of the water

121 cal of heat are added to 50.0 g of water initially at 15.0 (degrees celsius). What is the final temperature of the water.

  How many grams of fluorine are needed

P4(s) + 6F2(g) --> 4PF3(g) How many grams of fluorine are needed to react with 6.20g of phosphorus?

  What is abundance of each one

Rb has two naturally occurring isotopes 85Rb and 87Rb, with masses 84.9118 amu and 86.9092 amu, respectively. The average atomic mass is 85.468 amu.

  How many grams of hcl are produced

How many grams of HCl are produced according to the following equation, H2 + Cl2 = 2 HCl, when 4.0 g of hydrogen reacts completely.

  What is the solubility of the gas

If the solubility of a gas is 7.5 g/L at 404 kPa pressure, what is the solubility of the gas when the pressure is 202 kPa.

  What is the total pressure in the container at equilibrium

At a certain temperature, the Kp for the decomposition of H2S is 0.726 H2S = H2+S initally only H2S is present at a pressure of 0.126 atm in a closed container.

  What is the molar mass of x

At a certain temperature the rate of effusion of helium is twice the rate of effusion of a gaseous X.X is a binary combination of carbon and hydrgen.

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