A us 20 gold piece has a mass of 3344g and displaces
a u.s $20 gold piece has a mass of 33.44g and displaces 1.935cm^3 of water. if the coin is known to consist of only gold (density=19.3g/cm^3) and copper (density=8.9g/cm^3) what is the percentage of gold composition by mass of the coin?
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a us 20 gold piece has a mass of 3344g and displaces 1935cm3 of water if the coin is known to consist of only gold
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