Jeneen v A certain liquid X has a normal bolling polnt of 120.70 °C and a bolling potnt elevation constant K=2.07 °C-kg-mol. Calculate the bolling point of a solution made of 98.6g of Iron(III) chloride (FeCl) dissolved In 800. g of X. Round you answer to 5 significant digits. O°C

Chemistry & Chemical Reactivity
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ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
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Chapter3: Chemical Reactions
Section3.9: Classifying Reactions In Aqueous Solution
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Using the Kf and Kb equations with electrolytes
Jeneen v
A certain liquid X has a normal boiling point of 120.70 °C and a bolling point elevation constant K,=2.07 °C-kg mol .Calculate the bolling point of a solutlon
made of 98.6g of iron(III) chloride (FeCl,) dissolved In 800. g of X.
Round you answer to 5 significant digits.
do
°C
x10
の
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Explanation
M 9
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Transcribed Image Text:9 Collig Notes (1).pdf A ALEKS - Jeneen Abdelre x M Mathway Algebra Prol X Gmolar mass of zinc chle x Launch Meeting-Zoom x www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-lix5uFZIVj2iEJjQd1WoxT77ErtzZpGbzESWhuQ5KnLFF-AdqJckJ3tzP4DtHEOm2H4pGXeoGQgUw9Q Lcoo6TW. * G 0.16kg to g-Google Se x + O GASES, LIQUIDS, AND SOLIDS Using the Kf and Kb equations with electrolytes Jeneen v A certain liquid X has a normal boiling point of 120.70 °C and a bolling point elevation constant K,=2.07 °C-kg mol .Calculate the bolling point of a solutlon made of 98.6g of iron(III) chloride (FeCl,) dissolved In 800. g of X. Round you answer to 5 significant digits. do °C x10 の 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use Privacy | Accessibility 1 8:40 Check Explanation M 9 hp
Expert Solution
Step 1

Given : Normal boiling point of liquid X = 120.70 oC

Mass of solvent i.e liquid X = 800 g = 0.800 Kg                                       (since 1 Kg = 1000 g)

And Mass of solute i.e FeCl3 = 98.6 g

Molar mass of FeCl3 = Atomic mass of Fe + Atomic mass of Cl X 3 = 55.845 + 35.5 X 3 = 162.345 g/mol.

Since mass = moles X molar mass

=> 98.6 = moles of FeCl3 X 162.345 

=> Moles of FeCl3 = 0.60735 mol approx.

 

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