Creado por I Shouldn't be awake
hace más de 6 años
|
||
Pregunta | Respuesta |
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 |
¿Quieres crear tus propias Fichas gratiscon GoConqr? Más información.