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You place 10.00 mL of water in a graduated cylinder and add a 15.0 g sample of iron to the water. The new water level is 11.91 mL. What is the density of the iron?​

Answer :

Eduard22sly

The density of the iron, given the data from the question is 7.85 g/mL

What is density?

The density of a substance is simply defined as the mass of the subtance per unit volume of the substance. Mathematically, it can be expressed as

Density = mass / volume

How to determine the density of the iron

The following data were obtained from the question:

  • Volume of water = 10 mL
  • Volume of wate + iron = 11.91
  • Volume of 1ron = 11.91 - 10 = 1.91 mL
  • Mass of iron = 15 g
  • Density of iron =?

The density of the iron can be obtained as follow:

Density = mass / volume

Density of iron = 15 / 1.91

Density of iron = 7.85 g/mL

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