An unknown sample of metal had a mass of 240. 0 grams. It displaced 30. 0 mL of water when placed into a graduated cylinder. What is the density of the metal?



Answer :

The density of the metal will be 8 g/ml when an unknown sample of metal had a mass of 240 gm and is displaced 30 ml of water when placed into graduated cylinder.

What is density and how the density of the metal comes out to be 8 g/ml of unknown sample?

  1. Density is the quantity representing the mass of the product per unit volume of the container containing liquid.
  2. The units of density varies depending upon the units of mass and volume of the liquid contained.
  3. Here by using the simple density = mass/ volume formula we can calculate the density.
  4. Given, mass = 240 gm , volume = 30 ml ,  density = 240/ 30 = 8 g/ ml is the density.
  5. Hence the density of the metal is 8 gm/ml of an unknown sample of the metal of mass 240 gm and displaced 30 ml of water into graduated cylinder.

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