Question

An aqueous solution is 28.0 % by mass ethanol, CH3CH2OH, and has a density of 0.957...

An aqueous solution is 28.0 % by mass ethanol, CH3CH2OH, and has a density of 0.957 g/mL.

The mole fraction of ethanol in the solution is____ .

Science   Chemistry   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

please please give me the thumb up please its urgently required please give me the thumb up please its urgently required please give me the thumb up please

0 0
Know the answer?
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
Similar Questions
Vodka is 25% by mass ethanol (C2H5OH) and has a density of 0.75 g/mL. Calculate the...
Vodka is 25% by mass ethanol (C2H5OH) and has a density of 0.75 g/mL. Calculate the mole fraction of each species (water and ethanol) in solution, and the molality of the ethanol in vodka.
An aqueous solution is 8.00% ammonium chloride, NH4Cl, by mass. The density of the solution is...
An aqueous solution is 8.00% ammonium chloride, NH4Cl, by mass. The density of the solution is 1.023 g/mL. What are the molality, mole fraction, and molarity of NH4Cl in the solution?
A 15% (v/v) ethanol (CH3CH2OH) in water solution is prepared at 25°C by adding 15 mL...
A 15% (v/v) ethanol (CH3CH2OH) in water solution is prepared at 25°C by adding 15 mL of ethanol to 85 mL of water, giving 98 mL of a solution having a density of 0.957 g/mL. The densities of pure ethanol and water are 0.789 g/mL and 0.997 g/mL, respectively, at 25°C. When liquid 2-chloro-2-methylpropane, C4H9Cl, is added to 15% (v/v) ethanol in water, the following reactions can occur: C4H9Cl + CH3CH2OH → HCl + C4H9OCH2CH3       (1) C4H9Cl + H2O...
You have an aqueous solution of ethanol (molar mass of ethanol = 46.01 g/mol) that has...
You have an aqueous solution of ethanol (molar mass of ethanol = 46.01 g/mol) that has a molarity of 8.1198 M and a weight percent by ethanol of 40%. What is the density of the solution?
Calculate the mole fraction of solute in the following aqueous solutions (a) 0.112 M C6H12O6 (glucose...
Calculate the mole fraction of solute in the following aqueous solutions (a) 0.112 M C6H12O6 (glucose solution, p = 1.006 g/mL; (b) 3.20% ethanol (CH3CH2OH) by volume (p = 0.993 g/mL; pure ethanol, p = 0.789 g/mL)
1) The mole fraction of sodium phosphate, Na3PO4, in an aqueous solution is 5.62×10-2 . The...
1) The mole fraction of sodium phosphate, Na3PO4, in an aqueous solution is 5.62×10-2 . The percent by mass of sodium phosphate in the solution is %. 2)An aqueous solution is 36.0 % by mass hydrochloric acid, HCl, and has a density of 1.18 g/mL. The mole fraction of hydrochloric acid in the solution is .
What is the vapor pressure (in kPa) of ethanol, CH3CH2OH, over a solution which is composed...
What is the vapor pressure (in kPa) of ethanol, CH3CH2OH, over a solution which is composed of 18.00 mL of ethanol and 12.55 g of benzoic acid, C6H5COOH, at 35ºC ? Enter your number with two digits past the decimal. •Pºethanol at 35ºC = 13.693 kPa •Density of ethanol = 0.789 g/mol, Molar mass of ethanol = 46.07 •Molar mass of benzoic acid = 122.12 g/mol ** the answer is 10.27 but I'm not sure how to get there. Please...
A solution is 40% ethanol (density = 0.789 g/mL) by volume and 60% water (density =...
A solution is 40% ethanol (density = 0.789 g/mL) by volume and 60% water (density = 1.00 g/mL). If Tom Titan has 750.0 mL of the solution, what is the mass of ethanol in solution?
what is the concentration in molarity of an aqueous solution of potassium nitrate that has a...
what is the concentration in molarity of an aqueous solution of potassium nitrate that has a mole fraction of KNO3 equal to 0.195? the density of the solution is 1.36 g/mL
Question 2 An aqueous solution of sodium carbonate, Na2CO3 (MM = 105.99 g/mol) has a density...
Question 2 An aqueous solution of sodium carbonate, Na2CO3 (MM = 105.99 g/mol) has a density of 1.43 g/mL and a molality of 14.2 m (or mol/kg). Calculate (i) the molarity of the solution, and (ii) the mole fraction of Na2CO3.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT