Log in
Chemistry
2
answers
2
watching
2,139
views
13 Dec 2019

The density of an aqueous solution containing 10.0 percent of ethanol (C2H5OH, molar mass 46.07 g/mol) by mass is 0.984 g/mL. Calculate the molality and molarity respectively.

A. 2.41 m 2.13 M
B. 2.35 m 2.33 M
C. 3.71 m 3.64 M
D. 4.27 m 4.13 M

Watch
2
answers
2
watching
2,139
views

For unlimited access to Homework Help, a Homework+ subscription is required.

Avatar image
Read by 3 people

Unlock all answers

Get 1 free homework help answer.
Already have an account? Log in
Share
Tod Thiel
Tod ThielLv2
17 Dec 2019
Already have an account? Log in
Share
discord banner image
Join us on Discord
Chemistry Study Group
Join now

Related textbook solutions

Basic Chemistry
5 Edition,
Timberlake
ISBN: 9780134138046
Principles of Chemistry Molecular Approach
4th Edition,
Tro
ISBN: 9780134112831
Chemistry: Structure and Properties
2nd Edition,
Tro
ISBN: 9780134293936
Principles of Chemistry Molecular Approach
3rd Edition, 2014
Tro
ISBN: 9780321971944
Chemistry: A Molecular Approach
3rd Edition,
Tro
ISBN: 9780321809247
Chemistry: A Molecular Approach
5th Edition,
Tro
ISBN: 9780134874371
Principles of Chemistry: A Molecular Approach
4th Edition,
Tro
ISBN: 9780134895741
Chemistry: The Central Science
14th Edition, 2017
Brown
ISBN: 9780134414232

Related questions

Candy Chemist was asked to determine the concentration (M&x) of a new alcoholic beverage from the mass percent ethanol in aqueous solution. Which was determinined to be 15.0% (m/m) and the density was found to be 0.984 g/mL. What is the molarity and mole fraction of ethanol (MM=46.068 g/mol) in the beverage ?


Calculate the molality (m) of tetrahydrofuranin a solution produced by combining 3020 g of the solute C4H8O with5400 g of the solvent diethyl ether.


Molar Mass(g/mol)
C4H8O 72.12
(C2H5)2O 74.12
Density(kg/m3):
C4H8O 889.2
(C2H5)2O 713.8
Name/Formula:
tetrahydrofuran
C4H8O
diethyl ether
(C2H5)2O


What volume (L) of the solvent acetone shouldbe mixed with0.320 L of the soluteCH2Cl2 to produce asolution that is 1.19 mmethylenechloride.


Molar Mass(g/mol)
CH2Cl2 84.93
(CH3)2CO 58.05
Density(g/mL):
CH2Cl2 1.327
(CH3)2CO 0.7899
Name/Formula:
methylene chloride
CH2Cl2
acetone
(CH3)2CO


Calculate the molality (m) of a 6630 g sample of a solution ofthe solute water dissolved in the solvent tetrahydrofuran if thesample contains 108 mol ofH2O.


Molar Mass(g/mol)
H2O 18.015
C4H8O 72.12
Density(kg/L):
H2O 0.9982
C4H8O 0.8892
Name/Formula:
water
H2O
tetrahydrofuran
C4H8O


A 2.64 m solution of the solute(CH3)2CO dissolvedin the solvent C2H5OH isavailable. Calculate the mass (kg) of the solution that must betaken to obtain 771 g ofacetone.


Molar Mass(g/mol)
(CH3)2CO 58.05
C2H5OH 46.07
Density(kg/L):
(CH3)2CO 0.7899
C2H5OH 0.7893
Name/Formula:
acetone
(CH3)2CO
ethanol
C2H5OH



What volume (mL) of the soluteC6H6 should be added to 3.74 Lof the solvent C4H8O to generate a solution thatis 0.698 m benzene.


Molar Mass(g/mol)
C6H6 78.12
C4H8O 72.12
Density(kg/L):
C6H6 0.8786
C4H8O 0.8892
Name/Formula:
benzene
C6H6
tetrahydrofuran
C4H8O


Calculate the molality (m) of acetone in asolution made by combining 1450 g of thesolute (CH3)2CO with9120 mL of the solventtetrahydrofuran.

Molar Mass(g/mol)
(CH3)2CO 58.05
C4H8O 72.12
Density(kg/m3):
(CH3)2CO 789.9
C4H8O 889.2
Name/Formula:
acetone
(CH3)2CO
tetrahydrofuran
C4H8O

Weekly leaderboard

Home
Homework Help 3,900,000
Chemistry 830,000
Start filling in the gaps now
Log in