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bharathparasad577

The mass of gold is 38.6 g

1) Density is the quantitative method which is used to find out the specific weight of the substance.

  • Temperature and pressure effect  the density of a substance.
  • The SI unit of density = Kg/m³
  • Formulae of density is
  • Density = Mass of gold / Volume of gold

2) Density of gold = 19.3 g/m³

  • The volume of Gold = 2.0 ml
  • By applying the above formulae
  • Mass of gold = density of gold × Volume of gold
  • Mass of gold   = 19.3× 2.0 g
  • Mass of gold   = 38.6 g

3) The sample contains the gold whose density is 19.3 g/m³ and the volume is 2.0 mL by using the density formulae , the mass of gold is 38.6 g.

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