Chemistry: Matter and Change
Chemistry: Matter and Change
1st Edition
ISBN: 9780078746376
Author: Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher: Glencoe/McGraw-Hill School Pub Co
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Chapter 14, Problem 84A

What is the mole fraction of H 2 S O 4 in a solution containingthe percentage of sulfuric acid and water shownin Figure 14.25?

Chapter 14, Problem 84A, What is the mole fraction of H 2 S O 4 in a solution containingthe percentage of sulfuric acid and

Expert Solution & Answer
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Interpretation Introduction

Interpretation:

The mole fraction of H2SO4 in the sulfuric acid solution is to be calculated.

Concept introduction:

Mole fraction: Mole fraction defined as the number of moles of one component divided by total the number of moles in the mixture.

The mole fraction for the solute( χA )and the mole fraction for the solvent ( χB )can be expressed as follows:Mole fraction χA=nA nA+nB and χB=nB nA+nB Where, nA and nBrepresent the number of moles of soluteand solvent respectively.

Answer to Problem 84A

The mole fraction of H2SO4 in the sulfuric acid solution is 0.0644.

Explanation of Solution

Given information:

The solution contains:

H2SO4= 27.3% and

Water = 72.7%

Let assume, the mass of the solution = 100 gm

So, the mass of H2SO4 = 27.3 gm and the mass of water = 72.7 gm

Number of moles of sulfuric acid = 27.3gm98.1gm/mol=0.278mole

(Note: Molecular weight of sulfuric acid = 98.1 gm/mol)

Number of moles of water = 72.7gm18gm/mol=4.04mole

(Note: Molecular weight of water = 18 gm/mol)

MolefractionofH2SO4=NumberofmolesofH2SO4NumberofmolesofH2SO4+Numberofmolesofwater=0.278mol0.278mol+4.04mol=0.0644

Chapter 14 Solutions

Chemistry: Matter and Change

Ch. 14.2 - Prob. 11PPCh. 14.2 - Prob. 12PPCh. 14.2 - Prob. 13PPCh. 14.2 - Prob. 14PPCh. 14.2 - Prob. 15PPCh. 14.2 - Prob. 16PPCh. 14.2 - Prob. 17PPCh. 14.2 - Prob. 18PPCh. 14.2 - Prob. 19PPCh. 14.2 - Prob. 20PPCh. 14.2 - Prob. 21PPCh. 14.2 - Prob. 22PPCh. 14.2 - Prob. 23PPCh. 14.2 - Prob. 24PPCh. 14.2 - Prob. 25PPCh. 14.2 - Prob. 26PPCh. 14.2 - Prob. 27PPCh. 14.2 - Prob. 28PPCh. 14.2 - Prob. 29PPCh. 14.2 - Prob. 30PPCh. 14.2 - Prob. 31SSCCh. 14.2 - Prob. 32SSCCh. 14.2 - Prob. 33SSCCh. 14.2 - Prob. 34SSCCh. 14.2 - Prob. 35SSCCh. 14.3 - Prob. 36PPCh. 14.3 - Prob. 37PPCh. 14.3 - Prob. 38PPCh. 14.3 - Prob. 39SSCCh. 14.3 - Prob. 40SSCCh. 14.3 - Prob. 41SSCCh. 14.3 - Prob. 42SSCCh. 14.3 - Prob. 43SSCCh. 14.3 - Prob. 44SSCCh. 14.4 - Prob. 45PPCh. 14.4 - Prob. 46PPCh. 14.4 - Prob. 47PPCh. 14.4 - Prob. 48SSCCh. 14.4 - Prob. 49SSCCh. 14.4 - Prob. 50SSCCh. 14.4 - Prob. 51SSCCh. 14.4 - Prob. 52SSCCh. 14.4 - Prob. 53SSCCh. 14 - Prob. 54ACh. 14 - What is the difference between a solute and a...Ch. 14 - Prob. 56ACh. 14 - Prob. 57ACh. 14 - Prob. 58ACh. 14 - Prob. 59ACh. 14 - Prob. 60ACh. 14 - Prob. 61ACh. 14 - Prob. 62ACh. 14 - Prob. 63ACh. 14 - Prob. 64ACh. 14 - How do 0.5M and 2.0M aqueous solutions of NaCl...Ch. 14 - Prob. 66ACh. 14 - Prob. 67ACh. 14 - Prob. 68ACh. 14 - Prob. 69ACh. 14 - Prob. 70ACh. 14 - Prob. 71ACh. 14 - Prob. 72ACh. 14 - Prob. 73ACh. 14 - How much CaCl2 , in grams, is needed to make 2.0 L...Ch. 14 - Stock solutions of HCl with various molarities are...Ch. 14 - Prob. 76ACh. 14 - Prob. 77ACh. 14 - Prob. 78ACh. 14 - If you dilute 20.0 mL of a 3.5M solution to...Ch. 14 - Prob. 80ACh. 14 - Prob. 81ACh. 14 - Prob. 82ACh. 14 - Prob. 83ACh. 14 - What is the mole fraction of H 2 S O 4 in a...Ch. 14 - Prob. 85ACh. 14 - Prob. 86ACh. 14 - Prob. 87ACh. 14 - Prob. 88ACh. 14 - Prob. 89ACh. 14 - Prob. 90ACh. 14 - Prob. 91ACh. 14 - Prob. 92ACh. 14 - Prob. 93ACh. 14 - Prob. 94ACh. 14 - Prob. 95ACh. 14 - Prob. 96ACh. 14 - Prob. 97ACh. 14 - Prob. 98ACh. 14 - Prob. 99ACh. 14 - In the lab, you dissolve 179 g of MgCl2 into1.00 L...Ch. 14 - Cooking A cook prepares a solution for boiling by...Ch. 14 - Prob. 102ACh. 14 - Ice Cream A rock salt (NaCl), ice, and water...Ch. 14 - Apply your knowledge of polarity and solubility...Ch. 14 - Prob. 105ACh. 14 - Which solute has the greatest effect on the...Ch. 14 - Study Table 14.4. Analyze solubility and...Ch. 14 - Prob. 108ACh. 14 - If you prepared a saturated aqueous solution of...Ch. 14 - How many grams of calcium nitrate (Ca(NO3)2)...Ch. 14 - Prob. 111ACh. 14 - Prob. 112ACh. 14 - Prob. 113ACh. 14 - Prob. 114ACh. 14 - Infer Dehydration occurs when more fluid is lost...Ch. 14 - Graph Table 14.10 shows solubility data that was...Ch. 14 - Design an Experiment You are given a sample of a...Ch. 14 - Compare Which of the following solutions has...Ch. 14 - Prob. 119ACh. 14 - Prob. 120ACh. 14 - Prob. 121ACh. 14 - Prob. 122ACh. 14 - Prob. 123ACh. 14 - Prob. 124ACh. 14 - Prob. 125ACh. 14 - Prob. 126ACh. 14 - Prob. 127ACh. 14 - Prob. 128ACh. 14 - Prob. 129ACh. 14 - Prob. 1STPCh. 14 - Prob. 2STPCh. 14 - Prob. 3STPCh. 14 - Prob. 4STPCh. 14 - Prob. 5STPCh. 14 - Prob. 6STPCh. 14 - Prob. 7STPCh. 14 - Prob. 8STPCh. 14 - Prob. 9STPCh. 14 - Prob. 10STPCh. 14 - Prob. 11STPCh. 14 - Prob. 12STPCh. 14 - Prob. 13STPCh. 14 - Prob. 14STPCh. 14 - Prob. 15STPCh. 14 - Prob. 16STPCh. 14 - Prob. 17STPCh. 14 - Prob. 18STPCh. 14 - Prob. 19STP
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Solutions: Crash Course Chemistry #27; Author: Crash Course;https://www.youtube.com/watch?v=9h2f1Bjr0p4;License: Standard YouTube License, CC-BY