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Steel is an alloy of C in Fe. The carbon atoms are interstitial, and Fe is BCC. If the composition of a steel alloy is
Steel is an alloy of C in Fe. The carbon atoms are interstitial, and Fe is BCC. If the composition of a steel alloy is 0.2 wt% C, what fraction of unit cells have a carbon atom in them? (HINT: How many Fe atoms per unit cell? What is the mass of Fe per unit cell? How many Fe unit cells must there be per C atom to yield 0.2 wt% C?) Enter your answer as a decimal.
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