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Effect of bleach concentration on the rate of decolorization of blue dye, measured using visible spectrophotometer.
Conc b...
Go to expt – press calibrate Insert cuvette (blue dye) and press collect
Insert a blank containing water
Press stop, and c...
Change of abs over time were plotted.
Rate of decolorization – decrease in abs over time
Slope/gradient taken over 40s
Con...
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