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Concentration of catalyse on hydrogen peroxide

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Introduction

Effects of Different Concentration of Catalyse on Hydrogen Peroxide Aim: In this investigation I will try to find how long it takes for the filter paper disc to rise up whilst varying the amounts of concentration of catalyse. Prediction: I predict that the lower the concentration of catalyse the longer it will take for the filter paper disc to rise to the surface of the tube. Equipment: 1. Hydrogen peroxide in a container 2. Flat bottom tube 3. Tweezers 4. Filter paper discs 5. Hole puncher 6. Pipette 7. Watch Glass 8. Stop Clock 9. Table of results 10. Catalyse - 6.25%, 12.5%, 25%, 50%, 100% Method: 1. ...read more.

Middle

6. To make it a fair test we repeated it three times with the same amount of concentration of catalyses. 7. Finally, we put the results down on a table. Table of Results: Concentration of Catalyse 1 2 3 4 6.25% 300 Seconds 300 Seconds 300 Seconds 300 Seconds 12.5% 300 Seconds 98.55 Seconds 77 Seconds 60.18 Seconds 25% 36.50 Seconds 64.38 Seconds 66.32 Seconds 55.73 Seconds 50% 55.33 Seconds 15.65 Seconds 19.65 Seconds 30.21 Seconds 100% 11.64 Seconds 13.27 Seconds 10.33 Seconds 11.75 Seconds Scatter Graph: Firstly, I will draw a table with the averages of each Concentration of Catalyse and then, I will draw a scatter graph which will include the data in the table below. ...read more.

Conclusion

out the regression line: y = -2.2319x + 192.81 R2 = 0.521 I predict that the lower the concentration of catalyse the longer it will take for the filter paper disc to rise to the surface of the tube. From my results you can see that my prediction was right as I predicted that the lower the concentration of catalyse the longer it will take for the filter paper disc to rise to the surface of the tube, and the scatter graph agrees with my prediction. I feel that I have successfully and fully answered my aim of this investigation. Analysis: I predicted right as you can see from the results table you can clearly see that the lower the concentration of catalyse the longer ...read more.

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