Define brass is a copper and zinc alloy

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Brass is a copper and zinc alloy containing 31.8% zinc by mass and having a density of 8.73 {\rm \frac{g}{cm^3}}. A fitting composed of common brass has a total volume of 335.6 {\rm cm^3}. How many atoms of copper does the fitting contain? How many atoms of zinc does the fitting contain?

Reference no: EM13158530

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