Final answer:
To calculate the mass of concrete with a known density, multiply the density by the volume of the concrete. For instance, if the volume is 1 cubic meter and the density is 2400 kg/m³, the mass would be 2400 kg.
Step-by-step explanation:
To find the mass given the density of an object, we can use the formula density (ρ) = mass (m) / volume (V). Assuming we are given the volume, we can rearrange the formula to solve for mass: m = ρ × V. Therefore, if the density of concrete is given as 2400 kg/m³, and we have the volume of the concrete, we can calculate the mass by multiplying the density by the volume. The unit for density is typically in kilograms per cubic meter (kg/m³) when dealing with such a dense material as concrete.
For example, if we have a volume of concrete that is 1 cubic meter, the mass would be calculated as follows:
- Mass = Density × Volume
- Mass = 2400 kg/m³ × 1 m³
- Mass = 2400 kg
This calculation demonstrates how to find the mass of concrete or any other substance when given the density and volume.