A box contains a mixture of small copper spheres and small lead spheres that are the same size. The total volume of both metals is measured by the displacement of water to be 411 cm and the total mass is 4.34 kg. The density of copper is 8.96 3 g/cm³, and the density of lead is 11.40 g/cm³

A box contains a mixture of small copper spheres and small lead spheres that are the same size. The total volume of both metals is measured by the displacement of water to be 411 cm and the total mass is 4.34 kg. The density of copper is 8.96 3 g/cm³, and the density of lead is 11.40 g/cm³

Living By Chemistry: First Edition Textbook

1st Edition

ISBN:9781559539418

Author:Angelica Stacy

Publisher:Angelica Stacy

ChapterU3: Weather: Phase Changes And Behaviour Of Gases

SectionU3.3: Having A Meltdown: Density Of Liquids And Solids

Problem 7E

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Concept explainers

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".

Question

What percentage of the spheres is copper?

A box contains a mixture of small copper spheres
and small lead spheres that are the same size. The
total volume of both metals is measured by the
displacement of water to be 411 cm' and the total
mass is 4.34 kg. The density of copper is 8.96
3
g/cm³, and the density of lead is 11.40 g/cm

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