Various data can be used to find the composition of an alloy (a metallic mixture). Show
Chapter 4, Problem 4.137(choose chapter or problem)
Various data can be used to find the composition of an alloy (a metallic mixture). Show that calculating the mass % of Mg in a magnesium-aluminum alloy (d 5 2.40 g/cm3) using each of the following pieces of data gives the same answer (within rounding): (a) a sample of the alloy has a mass of 0.263 g (d of Mg 5 1.74 g/cm3; d of Al 5 2.70 g/cm3); (b) an identical sample reacting with excess aqueous HCl forms 1.3831022 mol of H2; (c) an identical sample reacting with excess O2 forms 0.483 g of oxide.
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