14024022
Description
Flashcards by I Shouldn't be awake, updated more than 1 year ago
|
Created by I Shouldn't be awake
about 6 years ago
|
|
| Question | Answer |
| Step 1. | Prepare std sol of known conc. of coloured solution. |
| Step 2. | Select filter with complementary colour to coloured chemical. |
| Step 3. | Zero the colorimeter with water |
| 4. | Measure absorbance reading of std sol of I2 |
| 5. | Plot a calibration curve of absorbance against concentration |
| 6. | Carry out reaction taking absorbance readings at measured intervals |
| 7. | Use the calibration curve to measure the concentration of iodine at each absorbance reading |
| 8. | Plot a second graph of concentration against time. Use this graph to determine order of reaction of coloured compound |
Want to create your own Flashcards for free with GoConqr? Learn more.