Preparing a standard solution
| Exact weighing | |||
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| 1 | Place clean beaker on balance. Tare balance. | 2 | Weigh solid into beaker. Record the exact mass of solid weighed. |
| Dissolving | |
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| 3 | Dissolve solid in minimum amount of deionised water. |
| Quantitative transfer | |||
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| 4 | Pour solution into volumetric flask. | 5 | Rinse beaker and spatula. Add rinsings to flask. Rinse funnel. Swirl to mix. |
| Exact dilution | |
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| 6 | Fill volumetric flask to line. Insert stopper. Holding your finger on the stopper, mix by inverting ten times. |