d,e,f,g 9.1725.845. Rubbing alcohols chemical component is isopropyl alcohol, C3HBO which has a density of 786kg/m³. You should know the density of water g/mL). Rubbing alcohol can be purchased inbottles at a 70% V/V concentration. Assuming 1.00 L of rubbing alcohol where C3H8O is thesolute:= densitya) What is the density of isopropyl alcohol in g/mL?786 x 100091000000 cm3= 0.786 g/cm³ = 0.786 g/m²b) How many moles of isopropyl alcohol and water are there?IL=1000 mLmoi alcoholweightVolume201000ml x 100 ml = 700ml550.29 mol1609700mlx 0.786g/ml = 550.29Water Present=(1000-700) = 300 m 1Imer Water300g|189.9.17300g 1md-1667 16.67 mol H₂Omol C3H₂O300 ml x 1g/ml = 300 gc) What is the mole fraction of isopropyl alcohol in the rubbing alcohol?mois isopropyl alcoholmois isopropyl alcohol + mois watere) What is the molality of the solution?f) What is the %m/m of this solution?0.786 g/m2weight (g)(mw (g/mol)= 9.17 mc159.17 mois isopropyl alconal9.17 mas isopropyl alcohol + 16.67 mois water= 0.354876160.35d) What is the molarity of rubbing alcohol? (Assume isopropyl alcohol to be the solute)g) What is the concentration of isopropyl alcohol in ppm by mass?

Rubbing alcohol has the component of isopropyl alcohol. (Note I am solving the rest of subparts ,…

alcohol 9.17 mas isopropyl alcohol + 16.67 mois water d) What is the molarity of rubbing alcohol? (Assume isopropyl alcohol to be the solute) 0.35 e) What is the molality of the solution? f) What is the %m/m of this solution?

alcohol 9.17 mas isopropyl alcohol + 16.67 mois water d) What is the molarity of rubbing alcohol? (Assume isopropyl alcohol to be the solute) 0.35 e) What is the molality of the solution? f) What is the %m/m of this solution?

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter13: The Chemistry Of Solutes And Solutions

Section: Chapter Questions

Problem 107QRT

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Concept explainers

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.

Question

d,e,f,g

9.17
25.84
5. Rubbing alcohols chemical component is isopropyl alcohol, C3HBO which has a density of 786
kg/m³. You should know the density of water g/mL). Rubbing alcohol can be purchased in
bottles at a 70% V/V concentration. Assuming 1.00 L of rubbing alcohol where C3H8O is the
solute:
= density
a) What is the density of isopropyl alcohol in g/mL?
786 x 10009
1000000 cm3
= 0.786 g/cm³ = 0.786 g/m²
b) How many moles of isopropyl alcohol and water are there?
IL=1000 mL
moi alcohol
weight
Volume
20
1000ml x 100 ml = 700ml
550.29 mol
1609
700mlx 0.786g/ml = 550.29
Water Present=(1000-700) = 300 m 1
Imer Water
300g|189.
9.17
300g 1md-1667 16.67 mol H₂O
mol C3H₂O
300 ml x 1g/ml = 300 g
c) What is the mole fraction of isopropyl alcohol in the rubbing alcohol?
mois isopropyl alcohol
mois isopropyl alcohol + mois water
e) What is the molality of the solution?
f) What is the %m/m of this solution?
0.786 g/m2
weight (g)
(mw (g/mol)
= 9.17 mc15
9.17 mois isopropyl alconal
9.17 mas isopropyl alcohol + 16.67 mois water
= 0.35487616
0.35
d) What is the molarity of rubbing alcohol? (Assume isopropyl alcohol to be the solute)
g) What is the concentration of isopropyl alcohol in ppm by mass?

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