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Problems with alloy density question

  1. Oct 16, 2004 #1
    I am having troubles with my homework assignment on this question

    A lead-zinc alloy has a density of 10 Mg/m3 What is the weight % of the zinc?
  2. jcsd
  3. Oct 16, 2004 #2
    You are probably supposed to assume that Vegard's law holds for this alloy.
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