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A treasure chest is full of coins. The chest has a volume of 2.25L. The coins have a combined mass of 48kg. Calculate the density of the coins to determine which metal they’re made of. Which metal are they?
a. Silver: 10.5 g/mL
b. Lead: 11.3 g/mL
c. Bronze: 8.7 g/mL
d. Gold: 19.3 g/mL

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Eduard22sly

The density of the coin, given the data from the question is 21.33 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 coin

From the question given above, the following data were obtained:

  • Volume of coin = 2.25 L = 2.25 × 1000 = 2250 mL
  • Mass of coin = 48 Kg = 48 × 1000 = 48000 g
  • Density of coin =?

Density = mass / volume

Density = 48000 / 2250

Density = 21.33 g/mL

How to determine the metal

The density of the coin obtained, given the data from the question is 21.33 g/mL

Considering the options given, the density of the metal is not specified.

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