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Compute the answer of the given question

Question- For an alloy that consists of 89.9 g copper, 108 g zinc, and 8.28 g lead.

Part 1- What are the concentrations of Cu, Zn and Pb in weight percent?

I need help to find the concentrations of Cu, Zn and Pb. The atomic weights of Cu, Zn, and Pb are 63.54, 65.39, and 207.2 g/mol, respectively.

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