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For an alloy that consists of 98.8g copper, 107.5g zinc, and 8.7g lead, what are the concentrations of (a) Cu, (b) Zn, and (c) Pb

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For an alloy that consists of 98.8g copper, 107.5g zinc, and 8.7g lead, what are the concentrations of (a) Cu, (b) Zn, and (c) Pb in weight percent? The atomic weights of Cu,Zn, and Pb are 63.54,65.39, and 207.2g/mol, respectively. (a) wt% (b) wt% (c) wt %

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