An engineer has the task of producing an aluminum alloy with a density of 3.0 grams per cubic centimeter. She comes up with the perfect alloy and saves a sample of it. Which mass and volume measurements correspond to this sample? 7 g and 2.3 cm³
10 g and 7 cm³
15 g and 5 cm³
21 g and 8 cm³

The best option is for the following option m = 15 [g] and V = 5 [cm³]

Explanation:

We have that the density of a body is defined as the ratio of mass to volume.

where:

Ro = density = 3 [g/cm³]

Now we must determine the densities with each of the given values.

For m = 7 [g] and V = 2.3 [cm³]

For m = 10 [g] and V = 7 [cm³]

For m = 15 [g] and V = 5 [cm³]

For m = 21 [g] and V = 8 [cm³]

b) phosphorus pentoxide

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