Salma Ahmed
English Lit. GCSE Student
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Determination of the relative atomic mass of Lithium.
- Words:
- 1364
- Submitted:
- Fri Dec 12 2003
Have a little read: ... Shimona Madalli 12A 15/02/03 Determination of the relative atomic mass of Lithium (Skills I, A and E) In this investigation, the aim is to determine the relative atomic mass of lithium, Li by two different methods: 1) By measuring the volume of hydrogen gas, H2 produced - METHOD 1 2) By titrating the lithium hydroxide, LiOH produced - METHOD 2 Skill I Hazards of method 1 and method 2 - All apparatus must be handled with care especially the glassware (e.g. conical flask) as can be broken easily. - Wear labcoat and safety goggles to avoid skin and eye contact with these chemicals. - The hydrochloric acid was dilute and as only 0.1M concentration was used the chemical acts as an irritant only. If spilled wash thoroughly with water and rinse eyes. - Hydrogen gas, H2 is a colourless and non - toxic, it is also flammable but as there were no naked flames this will not cause any risks. -
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