14024022
Descripción
Fichas por I Shouldn't be awake, actualizado hace más de 1 año
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Creado por I Shouldn't be awake
hace casi 6 años
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| 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 |
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