Compute the percent by mass of zinc

Reference no: EM13184404

Calculate the percent by mass of zinc in the post-1982 pennies using following information: the total mass of each penn is 2.500 g, the density of copper is 8.96 g/mL, the density of zinc is 7.14 g/mL, and the mass of a penny if it were 100% copper would be 3.11g.

Reference no: EM13184404

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