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An irregularly shaped piece of gold was lowered into a graduated cylinder holding a volume of water equal to 17 ml. The height of the water rose to 20 ml. If the mass of the gold was 27 g, what was its density?.



Answer :

Density is a measure of how tightly a material is packed. Defined as mass per unit volume. Density symbol: D or ρ

Density formula: ρ = m/V, where ρ is the density, m is the mass of the object, and V is the volume of the object.

1ml = 1cc

water volume equals 17ml

water height rises to 20ml

=> gold volume = 20 - 17 = 3ml or 3cc > specific gravity chain = chain weight / displaced water Volume

=> Specific Gravity Chain = 27/ 3

=> Specific Gravity Chain = 9

Specific Gravity Gold = 9

Density Gold = 9 g/cm³

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