Calculate the molarity-molality and mole fraction

Assignment Help Chemistry
Reference no: EM132591089

We have an aqueous solution with a mass percent of 44.8 % for C2H5OH (C2H5OH is the only solute). The density of this solution is 0.950 g/mL. Calculate the molarity, molality, and mole fraction of C2H5OH in this aqueous solution.

Reference no: EM132591089

Questions Cloud

Determining the initial concentrations of a : (a) The solubility product, Ksp, of Sn(OH)4(s) is 1.0 x 10-57. What is its solubility (in g/L) in pure water?
Determining the concentration of a : The reaction A(aq) ? B(aq) is a first order reaction with respect to A(aq). The concentration of A(aq) after 100.0 seconds of reaction
Original ph of the naoh solution : To a 88.8 mL aqueous solution of NaOH, we add an excess of Mn(NO3)2 and produce 0.074 g of Mn(OH)2(s).
Who are the stakeholders in this situation : Selma Bosco is on the capital budgeting committee for her company, Magnificent Tile. Who are the stakeholders in this situation
Calculate the molarity-molality and mole fraction : Calculate the molarity, molality, and mole fraction of C2H5OH in this aqueous solution.
What is the company after tax wacc : Fancee Restaurant's, What is the company's after tax WACC if its debt-equity ratio is 0.58 and the tax rate is 30%? Assume a classical tax system.
Briefly explain the reason for the time period : Select the period that makes most sense to you, depending on the current stage of your life and career. Briefly explain the reason for the time period that you
What was the actual number of direct labour hours : The standards for direct labour are 2.5 hours per unit at $16 per hour. What was the actual number of direct labour hours worked last month?
Prepare the journal entry to record the bond issue : Prepare the journal entry to record the bond issue on January 1, 2020 along with the interest payment made on December 31, 2020

Reviews

Write a Review

Chemistry Questions & Answers

  How does direct current break apart water molecule does the

how does direct current break apart water molecule? does the dc current fill the outer shell full of electrons making a

  Describe what is the molar mass of the compound

Elemental analysis is performed on an organic liquid with a fishy odor. Vaporization of 265.0 mg of the compound in a 110-mL bulb at 170°C gives a pressure of 440.0 torr. What is the molar mass of this compound

  Homologous series of alkynes

Show the structural formula and name of the first for homologous series of alkynes.

  What is the amount of co2 produced in the analysis

What is the amount of CO2 produced in the analysis, in moles?

  State bomb calorimeter and combusts it in excess oxygen

A researcher studyng the nutritional value of a new candy places a 4.50 gram sample of the candy inside a bomb calorimeter and combusts it in excess oxygen

  Is the flow turbulent

Water at 20 degrees Celsius flows through a 25 mm diameter pipe at a rate of 40 liters per minute. Is the flow turbulent, laminar, or can it be either? Explain why.

  What is the ea of a reaction in which a first rate constant

Problem- What is the Ea of a reaction in which a first rate constant and temperature are 0.000288 L/mol/s and 595K, and a second rate constant and temperature are 0.00194 L/mol/s and 695K

  What volume of radon gas is produced by 22 grams of radium

Radium-226 (atomic mass = 226.025402 amu) decays to radon-224 (a radioactive gas) with a half-life of 1.6x10^3 years. What volume of radon gas (at 25 C and 1 atm) is produced by 22 grams of radium in 4.5 days.

  What is the molar mass of the protein

A 40.0 mg sample of a protein is dissolved in water to make 25.0 mL of solution. The osmotic pressure of the solution is 0.56 torr at 25°C. What is the molar mass of the protein?

  Refrigerator to cool the kitchen

Suppose it is a very hot summer day and you want to cool your kitchen. Unfortunately the windows and doors in your kitchen cannot be opened.

  State potassium phosphate buffer solution

As a technician in a large pharmaceutical research firm, you need to produce 450. of 1.00 potassium phosphate buffer solution of = 7.38. The of is 7.21. You have the following supplies: 2.00 of 1.00 stock solution

  Explain when elements in the d-block are ionized

When elements in the d-block are ionized, the electrons enter the nd orbitals before they enter the (n+1)s orbitals. Explain why this is so.

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