select set up and accurately use an appropriate instrument to measure volume select set up and accurately use an appropriate instrument to measure mass Mass Which Balance What in Weighing by difference ID: 1002613
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1. Weighing and Measuring
2. Candidates are required to demonstrate by two practical activities that they are able to:select, set up and accurately use an appropriate instrument to measure volumeselect, set up and accurately use an appropriate instrument to measure mass
3. Mass
4. Which Balance?
5. What in?
6. Weighing by difference2.982 – 1.955 = 1.030g
7. Care of your balance
8. Volume
9.
10. Meniscus
11. Making up a solutionWeigh out your chemicalRoughly measure 2/3 -3/4 of your final volume of solventAdd chemical and stir until dissolvedAdd solvent up to required volume
12. ConcentrationMolarity (mol l-1)% m/v% v/v
13. Labelling bottlesLabels on school reagents