q Preq Visited 2req [Review Topics] [References] Use the References to access important values if needed for this question. The boiling point of ethanol, CH3 CH₂OH, is 78.500 °C at 1 atmosphere. Kb (ethanol) = 1.22 °C/m In a laboratory experiment, students synthesized a new compound and found that when 10.17 grams of the compound were dissolved in 204.5 grams of ethanol, the solution began to boil at 78.723 °C. The compound was also found to be nonvolatile and a non-electrolyte. What is the molecular weight they determined for this compound? g/mol Submit Answer Retry Entire Group 9 more group attempts remaining Previous Next>

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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2req
Visited
2req
[Review Topics]
[References]
Use the References to access important values if needed for this question.
The boiling point of ethanol, CH3 CH₂OH, is 78.500 °C at 1 atmosphere. Kb (ethanol) = 1.22 °C/m
In a laboratory experiment, students synthesized a new compound and found that when 10.17 grams of the compound were
dissolved in 204.5 grams of ethanol, the solution began to boil at 78.723 °C. The compound was also found to be nonvolatile and a
non-electrolyte.
What is the molecular weight they determined for this compound?
g/mol
Submit Answer
Q Graph_08-30-2....pdf
NO
Retry Entire Group
O
J
A
9 more group attempts remaining
I'
6
Previous
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Show all
11:15 PM
9/12/2022
Transcribed Image Text:q 2req Visited 2req [Review Topics] [References] Use the References to access important values if needed for this question. The boiling point of ethanol, CH3 CH₂OH, is 78.500 °C at 1 atmosphere. Kb (ethanol) = 1.22 °C/m In a laboratory experiment, students synthesized a new compound and found that when 10.17 grams of the compound were dissolved in 204.5 grams of ethanol, the solution began to boil at 78.723 °C. The compound was also found to be nonvolatile and a non-electrolyte. What is the molecular weight they determined for this compound? g/mol Submit Answer Q Graph_08-30-2....pdf NO Retry Entire Group O J A 9 more group attempts remaining I' 6 Previous Next> Show all 11:15 PM 9/12/2022
Expert Solution
Step 1

B.p of ethanol= 78.500 0C

B.p of solution= 78.723 0C

Kb of ethanol =1.22 0C/m

Mass of ethanol=204.5 g

Mass of solute=10.17 g

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