18-carat gold contains 18 parts of gold and 6 parts
of copper by mass. Calculate the concentration of
gold and copper in it in % (m/m)
Answers
Answered by
2
Answer:
33.3%Copper and gold is 66.6%
Explanation:
6 is one third of 18 and 33 is one third of 100
Answered by
3
Answer:
mass of gold x 100
-----------
mass of copper
18 x 100
---
6
3 x 100
300%
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