The density of iron is 7.87 g/cm3, the density of gold is 19.3 g/cm3 and the density of platinum is 21.45 g/cm3.

Which of these statements is true for samples of these substances? Select the 2 correct answers.

(1 point)

For equal masses of all three substances, platinum will occupy the most amount of space.
For equal masses of all three substances, platinum will occupy the most amount of space.

For equal masses of all three substances, iron will occupy the most amount of space.
For equal masses of all three substances, iron will occupy the most amount of space.

Equal volumes of all three substances will weigh the same.
Equal volumes of all three substances will weigh the same.

Equal masses of all three substances will have the same volume.
Equal masses of all three substances will have the same volume.

For equal volumes of all three substance, platinum will be the heaviest.

Question

2205048 2205048

23-02-2022
Chemistry

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The density of iron is 7.87 g/cm3, the density of gold is 19.3 g/cm3 and the density of platinum is 21.45 g/cm3.

Which of these statements is true for samples of these substances? Select the 2 correct answers.

(1 point)

For equal masses of all three substances, platinum will occupy the most amount of space.
For equal masses of all three substances, platinum will occupy the most amount of space.

For equal masses of all three substances, iron will occupy the most amount of space.
For equal masses of all three substances, iron will occupy the most amount of space.

Equal volumes of all three substances will weigh the same.
Equal volumes of all three substances will weigh the same.

Equal masses of all three substances will have the same volume.
Equal masses of all three substances will have the same volume.

For equal volumes of all three substance, platinum will be the heaviest.

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This problem is providing the densities of iron, gold and platinum and asks for the two correct answers which turned out to be "For equal volumes of all three substance, platinum will be the heaviest" and "For equal masses of all three substances, iron will occupy the most amount of space".

Density

In science, we define density as the degree of compactness of a substance and the mathematical formula can be written as:

[tex]\rho = m/V[/tex]

Thus, we can see that the greater the mass the greater the density and the greater the volume the lesser the density, which are directly and inversely proportional relationships, respectively.

In such a way, if we have equal masses, say 1 g, one can see that the most of the volume will be occupied by the element with the lowest density, in this case iron, for that reason, the first correct statement is "For equal masses of all three substances, iron will occupy the most amount of space".

On the other hand, if we have equal volumes, say 1 cm³, one concludes that the heaviest element is the one of the greatest density, in this case platinum, so that the second correct statement is "For equal volumes of all three substance, platinum will be the heaviest".

Learn more about density: brainly.com/question/952755