A lump of gold is suspected to contain some quantity of aluminum.if the gold has a mass of 450g and is to have a relative density of 5.2, what is the mass of aluminium if the relative density of gold and aluminium are 19.3 and 2.6 respectively.
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Expert's answer
2019-11-07T09:21:06-0500
Let "x" gm of aluminium is present in it.
Then,
Total volume = volume of aluminium + volume of gold
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