Question

A pink gold bracelet weighs 60 g. It is made from 76% gold, 18% copper and 6% aluminium.
What is the mass of the copper in the bracelet?​

Answer 1

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Answer 2

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☆10.8 gram

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☆ To find:

• The mass of the copper in the bracelet

☆Given:

• Weight of gold bracelet is 60 g
• It is made of 76% gold ,18% copper and 6% aluminum

☆Solution:

$\frac{18}{100} \times 60 = 1.8 \times 6 = 10.8gram$

hope it helps ^_^