What is the mole fraction of ethanol i

Assignment Help Chemistry
Reference no: EM13156504

what is the mole fraction of ethanol in an aqueous solution that is 46 percent ethanol by mass?

Reference no: EM13156504

Questions Cloud

Scope of benefits and brief administrative section : Create a benefits policy that encompasses the scope of benefits and a brief administrative section to address how benefits will be administered in your organization.
Calculate the molarity of the solution : You dissolve 650.0 g of sugar (C12H22O11) in 726 mL of water. The density of wat is 1.00 g/mL.
State null hypothesis-alternative hypothesis for distances : Firm wishes to choose a small sample of driving distances from the past year and carry out a hypothesis test for its suspicion. State the null hypothesis and the alternative hypothesis that it would use for this test.
Problem regarding cost recovery of a apartment building : Janice acquired an apartment building on June 4,2010, for $1.4 million. the value of the land is $200,000. Janice sold the apartment building on November 29, 2016. a. Determine Janice's cost recovery for 2010 b. Determine Janice's cost recovery for..
What is the mole fraction of ethanol i : what is the mole fraction of ethanol in an aqueous solution that is 46 percent ethanol by mass?
Find probability that company will make a profit each month : With a mean of 805 pairs of jeans and a standard deviation of 207 pairs. What is the probability that the company will make a profit each month?
Determining adiabatic lapse rate : Suppose the dry adiabatic lapse rate is 10 degrees C per 1000 meters and the saturated adiabatic rate is 6 degrees C per 1000 meters. If an atmospheric sounding indicates that the environmental rate is 14 degrees C per 1000 meters on a hot humid s..
Calculate the standard cell potential : Calculate the standard potential for this reaction. Normally, X is Fe. Here it is some unknown metal, allowing for somewhat random values for ΔGo.
How much electrical energy (in kw-hr) is consumed : For a current of 360 A at 3.67 V, how much electrical energy (in kw-hr) is consumed in the production of 1 kg of aluminum? (A kW-hr is 3.6 x106 J.)

Reviews

Write a Review

Chemistry Questions & Answers

  Periodicity in the ionization energy

Periodicity in the ionization energy and balancing the equation - Complete the following chemical reactions by writing the product(s) and balancing the equations:

  Calculate kp for the reaction

When heated, ammonium carbonate decomposes as follows.  NH4CO2NH2(s) -> 2NH3(g)+CO2(g)  At a certain temp, the equilibrium pressure of the system is 0.318 atm. Calculate Kp for the reaction.

  Calculate the molar concentration of oh- ions

Calculate the molar concentration of OH- ions in a 7.5×10^-2 M solution of ethylamine C2H5NH2(Kb = 6.4x10^-4).

  How many joules of heat are absorbed

The temperature of a 35.2 g sample of iron increases from 23.7 °C to 29.5 °C. If the specific heat of iron is 0.450 J/g-K, how many joules of heat are absorbed?

  Determine the mass percentage of cadmium sulfide

If the sample reacted completely and produced 1931 mL of H2S hydrogen sulfide at 29.82 °C and 759.7 mm Hg, determine the mass percentage of Cadmium sulfide in the mixture?

  Compute the molar mass of the unknown gas

Calculate the molar mass of the unknown gas. (remember that the faster the rate of effusion, the shorter the time required for effusion of 1.0L

  What amount of energy is required to melt ice

What amount of energy is required to melt a 13.5 g piece of ice at 0oC to form liquid water at the same temperature of 0? The heat of fusion of water = 333 J/g , T he specific heat of H2O is approx. constant at 4.18 J/g x C.

  Compute the new volume of the balloon

An arctic weather balloon is filled with of helium gas inside a prep shed. The temperature inside the shed is . The balloon is then taken outside, where the temperature is . Calculate the new volume of the balloon.

  How much acetone (ch3coch3) would be needed

how much acetone (CH3COCH3) would be needed to obtain 3.35 moles of acetone? the desnity of acetone is 0.851 g/mL.

  Explain identifying reactions using ir spectroscopy

When 2-bromopropane reacts with ethoxide ion, two products are formed; one is the product of Sn2 substitution and the other is the product of E2 elimination.

  Calculate the value of the rate constant for this reaction

At 760K, 85% of a sample of cyclopropane changes to propane in 79.0min. Calculate the value of the rate constant for this reaction. All isomerization reactions are first-order.

  What was the equilibrium concentration

A mixture was prepared with the following initial concentrations: [CO] =0.20M, [H2O] = 0.30 M. No formic acid, HCHO2, was initially present. What was the equilibrium concentration of HCHO2?

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