A sample of lime gold is: 14.0 g gold,7.0g silver,and 3.0 g copper.What is the percent copper in the sample?

Name: A sample of lime gold is: 14.0 g gold,7.0g silver,and 3.0 g copper.What is the percent copper in the sample?
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Question

Quizplus · Accepted Answer

The total mass of the sample is 14.0 g (gold) + 7.0 g (silver) + 3.0 g (copper) = 24.0 g. The percent copper is calculated as (mass of copper / total mass) * 100 = (3.0 g / 24.0 g) * 100 = 12.5%, which rounds to 13%.

A Sample of Lime Gold Is: 14