FACTORS THAT AFFECT THE LIGHT ABSORBED BY A TRANSITION METAL COMPLEX How does the concentration of Nickel Sulphate solution affect its absorbency of light?
IB Chemistry
Year 12 d block Chemistry Investigation Medora Choi
FACTORS THAT AFFECT THE LIGHT ABSORBED BY A TRANSITION METAL COMPLEX
How does the concentration of Nickel Sulphate solution affect its absorbency of light?
Hypothesis: As the concentration increases the absorbency increases.
Variables
Independent variable: Concentration of Nickel Sulphate Solution
Dependent variable: Absorbency of light
Controlled variable: Volume of Nickel Sulphate Solution
Light Wavelength
Light Intensity
Path Length
Type of Chemical Solution
Method:
Materials:
- 1M Nickel Sulphate Solution (NiSO4(aq))
- Deionized water
- Graduated Pipettes (2, one for nickel sulphate, one for water)
- Pipette Balls (2)
- Cuvettes (10)
- Beakers
- Colorimeter
- Non-Scratch Wipes
- Glass Droppers
- Computer
- Launch Datastudio software
- Labels
In this experiment concentration of the Nitrate Sulphate solution is being varied to determine effect on absorbency of light. These concentrations will be made from dilutions of Nitrate Sulphate solution provided. The dilutions are as follows: