Yaa Decision Of Forcefulness Of Hydrogen Peroxide (H2o2)
Wednesday 19 December 2018
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Determination of Strength of Hydrogen Peroxide (H2O2)
Mustaque Ahammed Mamun
Department of Textile Engineering
Dhaka University of Engineering & Technology (DUET)
Cell: +8801723300703
Email: mamuntex09@gmail.com
Department of Textile Engineering
Dhaka University of Engineering & Technology (DUET)
Cell: +8801723300703
Email: mamuntex09@gmail.com
Introduction
The forcefulness of H2O2 is expressed inwards 2 ways-
- Volumetric
- Percentage (%w/v)
For example: If 1cc of H2O2 liberates 100cc oxygen at S.T.P. The forcefulness of H2O2 volition live called 100 volumes H2O2.
 |
| Strength attempt out of Hydrogen Peroxide |
Percentage (%w/v): This is the weight of H2O2 per unit of measurement volume. This is to a greater extent than usually used inwards our country.
Generally 35% H2O2 as well as 50% H2O2 used inwards cloth sector inwards our country. But 50% H2O2 is most widely used. If l gm H2O2 is acquaint inwards 100cc solution, hence it volition live called 50% H2O2.
Objectives
- To know virtually how determined the forcefulness of H2O2.
- To know virtually the titration process.
- To know virtually the solution making.
- To know virtually the terminate dot of this testing.
- Beaker
- Pipette
- Stirrer
- Graduate cylinder
- Electronic residue
- 0.1 northward KMnO4
- 10 % H2SO4
- And H2O2
2.5 ml H2O2 is taken
↓
Then it is diluted amongst 500 ml H2O
↓
From that solution 25 ml is taken
↓
After that it is diluted amongst 25 ml 10% H2SO4
↓
Then it is taken inwards Conical flask. Then this sample solution is treated amongst 0.1 northward KMnO4
↓
Then it is diluted amongst 500 ml H2O
↓
From that solution 25 ml is taken
↓
After that it is diluted amongst 25 ml 10% H2SO4
↓
Then it is taken inwards Conical flask. Then this sample solution is treated amongst 0.1 northward KMnO4
End Point: The terminate dot is determined when the colorless solution becomes permanent pinkish inwards color.
Calculation:
2KMnO4 + 3H2SO4 + 5H2O2 → K2SO4 + 2MnSO4 + 8H2O +5O2
Molecular equivalent weight of H2O2 = 17 gm
So, one 1000 ml Molecular equivalent weight is 17
1ml molecular equivalent weight is = 17/1000 = 0.017 gm
In 500 ml H2O the total of sample (H2O2) is 2.5 ml
So, 25 ml of H2O the total of sample (H2O2) is = (2.5 x 25) / 500 = 0.125
Normality of KMnO4 is 0.1 northward
And book used of KMnO4 is 21.75
 |
Required Amount of KMnO4 | Strength of H2O2 |
21.75 | 29.58% |
22 | 29.92% |
22.1 | 30.056% |
21.80 | 29.648% |
20.3 | 27.608% |
From higher upward results, nosotros tin state that the forcefulness of H2O2 is close every bit 30% which was indicated at the bottle but our unlike persons results receive got been obtained close to 30% as well as my results is 29.58 % which is less than 30% because nosotros receive got done experiment manually hence something tin live inaccurate mensuration of pipette or burette reading. But our concluding someone results is 27.608 % which is really less than xxx %, hence I intend that, his experiment to a greater extent than inaccurate mensuration of unlike chemicals.
Conclusion
At concluding nosotros tin state that, how to produce upward one's hear the forcefulness of H2O2, is known past times this experiment. Knowledge is gained from this experiment which is really helpful inwards our practical life.
Conclusion
At concluding nosotros tin state that, how to produce upward one's hear the forcefulness of H2O2, is known past times this experiment. Knowledge is gained from this experiment which is really helpful inwards our practical life.