Ironaluminum alloys are useful in some applications because they become magnetized in a magnetic field but are
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Iron–aluminum alloys are useful in some applications because they become magnetized in a magnetic field but are easily demagnetized when the field is removed. The composition of an iron–aluminum alloy can be determined chemically by reacting it with hydrochloric acid:
When a 7.264-g sample of a particular iron–aluminum alloy was dissolved in excess hydrochloric acid, 0.3284 g of H2(g) was produced. What was the mass percentage of aluminum in the alloy?
Transcribed Image Text:
2 Al(s) + 6 HCl(aq) → 2 AlCl3(aq) + 3 H₂(g) Fe(s) + 2 HCl(aq) → FeCl₂(aq) + H₂(g)
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Related Book For
Chemistry For Engineering Students
ISBN: 9780357026991
4th Edition
Authors: Lawrence S. Brown, Tom Holme
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