Many metals are not found surrounded by disposition within their elemental form, but surrounded by minerals which are a combination...?

Many metals are not found in nature within their elemental form,
but in minerals which are a combination of elements.

The metal is extracted by various ability from these minerals.
Azurite is a mineral containing copper (Cu) and has the
empirical formula Cu3(CO3)2(OH)2.

Calculate the proportion by mass of copper in Azurite.
Give your answer as a percentage to 2 significant data.
You will need to consult the periodic table, to come by the
relative atomic masses of the elements in the mineral.

The proportion by mass of copper surrounded by Cu3(CO3)2(OH)2 is __??__%
Answers:
You need to find the elemental masses for adjectives the components of the compound and add them together to get the total the mass ie 3Cu + 2C + 8O +2H. Then hold the mass of 3Cu, divide this by the total mass and times by 100. I'm not doing all your work for you.

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