Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese(IV) oxide. 4HCl(aq)+MnO2(s)⟶MnCl2(aq)+2H2O(l)+Cl2(g) A sample of 34.7 g MnO2 is added to a solution containing 47.1 g HCl.What is the limiting reactant?MnO2HClWhat is the theoretical yield of Cl2?theoretical yield: g Cl2If the yield of the reaction is 86.9%, what is the actual yield of chlorine?actual yield: g Cl2

Question
Asked Oct 26, 2019
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Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese(IV) oxide.

 

4HCl(aq)+MnO2(s)⟶MnCl2(aq)+2H2O(l)+Cl2(g)

 

A sample of 34.7 g MnO2 is added to a solution containing 47.1 g HCl.

What is the limiting reactant?
MnO2
HCl
What is the theoretical yield of Cl2?
theoretical yield:
 
g Cl2
If the yield of the reaction is 86.9%, what is the actual yield of chlorine?
actual yield:
 
g Cl2
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Expert Answer

Step 1

Given:

4HCl(aq)+MnO2(s)⟶MnCl2(aq)+2H2O(l)+Cl2(g)

Step 2

Calculation for moles of HCl:

mass
number of moles
molar mass
47.1 g
number of moles
36.46 g/mol
number of moles
1.2918 mol
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mass number of moles molar mass 47.1 g number of moles 36.46 g/mol number of moles 1.2918 mol

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Step 3

Calculation for moles of...

mass
number of moles
molar mass
34.7 g
number of moles =
86.9368 g/mol
number of moles
0.4 mol
help_outline

Image Transcriptionclose

mass number of moles molar mass 34.7 g number of moles = 86.9368 g/mol number of moles 0.4 mol

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