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Question 2 What is the composition, in atom percent of an alloy that consists of 4.5 wtPb and 95.5 wt% Sn? The atomic weights
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solution. given Wet ). of Pb , CP= 4.5 ulty of Sn , Csn = 95.5 Atomic weight for Sun Asn = 118.91 3/mal atomic weight for Pb,

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