A pink gold bracelet weights 60g. It is made from 76% gold, 18% copper and 6% aluminium. a. What is the mass of the gold in the bracelet? b. What is the mass os the copper i the bracelet?
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Answer:
a)45.6g
b)10.8g
Step-by-step explanation:
mass of gold will be 76% of 60g which is 0.76 * 60=45.6g
and mass of copper will be 18% of 60g which is 0.18*60=10.8g
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