There are various methods for finding the composition of analloy (a metal-like mixture). Show that calculating the mass % of Mg in a magnesium-aluminum alloy (d=2.40 g/cm³) gives thesame answer (within rounding) using each of these methods: (a) a 0.263-g sample of alloy (d=of Mg 1.74 g/cm³; d=of Al 2.70 g/cm³); (b) an identical sample reacting with excess aque-ous HCl forms 1.38x10^-2mol of H₂; (c) an identical samplereacting with excess O₂ forms 0.483 g of oxide.
There are various methods for finding the composition of analloy (a metal-like mixture). Show that calculating the mass % of Mg in a magnesium-aluminum alloy (d=2.40 g/cm³) gives thesame answer (within rounding) using each of these methods: (a) a 0.263-g sample of alloy (d=of Mg 1.74 g/cm³; d=of Al 2.70 g/cm³); (b) an identical sample reacting with excess aque-ous HCl forms 1.38x10^-2mol of H₂; (c) an identical samplereacting with excess O₂ forms 0.483 g of oxide.
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter2: Atoms Molecules And Ions
Section: Chapter Questions
Problem 165SCQ
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There are various methods for finding the composition of analloy (a metal-like mixture). Show that calculating the mass % of Mg in a magnesium-aluminum alloy (d=2.40 g/cm³) gives thesame answer (within rounding) using each of these methods: (a) a 0.263-g sample of alloy (d=of Mg 1.74 g/cm³; d=of Al 2.70 g/cm³); (b) an identical sample reacting with excess aque-ous HCl forms 1.38x10^-2mol of H₂; (c) an identical samplereacting with excess O₂ forms 0.483 g of oxide.
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