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Luis went camping and found a bag with 2500 silverish looking metal cubes in a cavern in the hills of Yosemite. These cubes have a height of 10 cm. He believes it is either silver, aluminium, or nickel. Remembering you were a chemistry genius, Luis promises to give you 500 cubes of the metal if you can tell him what the metal it is. Using 250 mL of each following solution at the stated concentrations. Assuming the metal reacts with B, C, D and F but does not react with A or E. Identify Luis's metal.