5. Balance the following redox equation using the half-reaction method:MnO41 H2O2 Mn2 O2.(acidic medium)Reduction hatf Mno MOxidation hatf 20, O22t8H Mn aH2022 t4 Hz0No+0202Ht2/2H5e + MnOy5(H2 02.1tMn 4 H20)22H 2e)ipe+ 2 Mna2 Mn2 8 H,O5 H2O 50,t+ 8 HzO t50, + IOH2 tlo Ht t2 MnO4-2 Mn6. Using the balanced redox equation from question #5, answer the following:A] How many mL of a standard 0.150 M KMnO4 solution are required to react with0.500 grams of hydrogen peroxide, H2O2?B] A student used 32.47 mL of a 0.150 M potassium permanganate, KMnO4, to reactwith hydrogen peroxide. How many grams of H2O2 reacted with the KMNO4 solution?T6 H+ t 2 MnOy-8 H20 t502 + 10 H2tt2 Mn197T T(

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Asked Oct 20, 2019
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Question 6 A

5. Balance the following redox equation using the half-reaction method:
MnO41 H2O2 Mn2 O2.
(acidic medium)
Reduction hatf Mno M
Oxidation hatf 20, O2
2t
8H Mn a
H202
2 t
4 Hz0
No
+
020
2Ht
2/2H5e + MnOy
5(H2 0
2.1
t
Mn 4 H20)
22H 2e)
ipe
+ 2 Mna
2 Mn2 8 H,O
5 H2O 50,t
+ 8 HzO t50, + IOH
2 t
lo Ht t2 MnO4-
2 Mn
6. Using the balanced redox equation from question #5, answer the following:
A] How many mL of a standard 0.150 M KMnO4 solution are required to react with
0.500 grams of hydrogen peroxide, H2O2?
B] A student used 32.47 mL of a 0.150 M potassium permanganate, KMnO4, to react
with hydrogen peroxide. How many grams of H2O2 reacted with the KMNO4 solution?
T6 H+ t 2 MnOy-
8 H20 t502 + 10 H
2t
t
2 Mn
197
T T
(
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5. Balance the following redox equation using the half-reaction method: MnO41 H2O2 Mn2 O2. (acidic medium) Reduction hatf Mno M Oxidation hatf 20, O2 2t 8H Mn a H202 2 t 4 Hz0 No + 020 2Ht 2/2H5e + MnOy 5(H2 0 2.1 t Mn 4 H20) 22H 2e) ipe + 2 Mna 2 Mn2 8 H,O 5 H2O 50,t + 8 HzO t50, + IOH 2 t lo Ht t2 MnO4- 2 Mn 6. Using the balanced redox equation from question #5, answer the following: A] How many mL of a standard 0.150 M KMnO4 solution are required to react with 0.500 grams of hydrogen peroxide, H2O2? B] A student used 32.47 mL of a 0.150 M potassium permanganate, KMnO4, to react with hydrogen peroxide. How many grams of H2O2 reacted with the KMNO4 solution? T6 H+ t 2 MnOy- 8 H20 t502 + 10 H 2t t 2 Mn 197 T T (

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Expert Answer

Step 1

The values are given as follows:

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molarity of KMno, 0.150 M 0.150 mol/L mass of H202 0.500 g

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Step 2

The balanced chemical reaction can be written as follows:

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5H202+2MnO6H* ->502 +2Mn2 +8H20

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Step 3

The number of moles of H2O2 can be calc...

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Since, molar mass of H202 =34.015 g/mol Now mass of H2O2 molar mass of H2O2 moles of H2O 0.500 g 34.015 g/mol =0.0147 mol H,0,

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