Final answer:
The mass and volume of the coin are given. By calculating the density of the coin and comparing it to known densities of materials, we can determine what the coin is made of.
Step-by-step explanation:
The mass of an object is a measure of how much matter it contains, while the volume is a measure of the space it occupies. In this case, we have a coin with a mass of 26.76 g and a volume of 3 cm³. To determine what the coin is made of, we need to compare its density to the known densities of different materials.
Density is defined as mass divided by volume, so we can calculate the density of the coin by dividing its mass by its volume: Density = Mass / Volume. Once we have the density, we can refer to a density table to find the material that matches the calculated density value.
For example, if the calculated density is close to the density of copper, then the coin is likely made of copper. The same applies to other materials such as silver, gold, aluminum, etc. By comparing the calculated density to the known densities of various materials, we can determine what the coin is made of.
Learn more about Determining the material of an object based on its mass and volume