Determining the Relative Atomic Mass of Lithium
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Determining the Relative Atomic Mass of Lithium Introduction My aim of this experiment will be to determine the R.A.M using two separate methods In the first method I will dissolve a piece of lithium of a known mass in water, I will then collect the hydrogen gas produced, which can be used to calculate the relative atomic mass of Lithium. The balanced equation of our reaction is shown below; 2Li + 2H2O 2LiOH + H2 In the second method I will do a titration experiment of lithium hydroxide (produced in experiment 1) The balanced equation of our reaction in experiment 2 is shown below; LiOH + HCl LiCl + H20 Background Information Lithium is an alkali metal in group 1 of the periodic table. It is a metallic element and does not decompose however it is highly in contact with many other substances. It can react violently with water, the humidity in air, and the...

