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mass of ornament in air=36gm - 1 mass of ornament in water=34gm
desity of gold=19.3gm/cc density of copper is 8.9gm/cc
loss of wt=wt of displaced water
36-34=2gm
so, v*p*g=2*g
v=v of gold+v of copper
volume=mass/density
mass of gold/19.3 + mass of copper/8.9 * 1= 2
8.9mass gold + 19.3 mass of copper= 2*19.3*8.9=343.54 - 2
from equations i and 2
m of copper=2.225gm
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