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The quantity called mass density is the mass per unit volume of a substance. What is the mass density in SI units of the following object?

a. A 215 cm³ solid with a mass of 0.0179 kg.

Answer :

The mass density of a substance is the mass per unit volume, which is typically expressed in kilograms per cubic meter (kg/m³) in SI units. The mass density in SI units (kg/m³) of a 215 cm³ solid with a mass of 0.0179 kg, after converting to cubic meters, is approximately 83.26 kg/m³.

To calculate the density of a 215 cm³ solid with a mass of 0.0179 kg, we first need to convert the volume from cubic centimeters to cubic meters.

Since there are 1,000,000 cubic centimeters in a cubic meter, 215 cm³ is equal to 0.000215 m³. We then divide the mass by the volume to find the density:

Density = Mass / Volume

= 0.0179 kg / 0.000215 m³

= 83.26 kg/m³

Performing the division gives us a density of approximately 83.26 kg/m³ for this solid.

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