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Bleach Lab Idea. Reaction NaClO(aq) + C 37 H 34 N 2 Na 2 O 9 S 3 →

Published byLucy Cameron Modified over 9 years ago

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Presentation on theme: "Bleach Lab Idea. Reaction NaClO(aq) + C 37 H 34 N 2 Na 2 O 9 S 3 →"— Presentation transcript:

1 Bleach Lab Idea

2 Reaction NaClO(aq) + C 37 H 34 N 2 Na 2 O 9 S 3 →

3 Absorbance and Concentration Absorbance is directly proportional to concentration in the dye. As the dye is consumed the absorbance decreases

4

5

6 Effect of changing bleach concentration When the bleach concentration was doubled, the change in absorbance over time doubled Changing the bleach concentration causes a proportional change in the absorbance change over time.

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8 Effect of changing bleach concentration When the bleach concentration was halved, the change in absorbance over time was halved Changing the bleach concentration causes a proportional change in the absorbance change over time.

9

10 Effect of Temperature At an increased temperature the change in absorbance over time is greater

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12 Effect of HCl The presence of HCl caused the change in absorbance over time to increase

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