Weighs 81870

The ring weighs 28g and has a volume of 2cm3 to find out if it is made of pure gold.


ρ =  14 g/cm3

ρ =

Step-by-step explanation:

m=28 g V=2 cm3  ρ=m/V=28/2=14 g/cm3
ρ(Au) = 19.3  g/cm3 ρ(Au)=ρ x=0

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