Problem: Common brass is a copper and zinc alloy containing 37.0% zinc by mass and having a density of 8.48 g/cm3. A fitting composed of common brass has a total volume of 120.5 cm3 .How many atoms of copper does the fitting contain?

FREE Expert Solution

Find the mass of Cu using the density and finding the % of Cu. Then use mole concept to find Cu atoms

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Problem Details

Common brass is a copper and zinc alloy containing 37.0% zinc by mass and having a density of 8.48 g/cm3. A fitting composed of common brass has a total volume of 120.5 cm3 .

How many atoms of copper does the fitting contain?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Mole Concept concept. You can view video lessons to learn Mole Concept. Or if you need more Mole Concept practice, you can also practice Mole Concept practice problems.