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The simplest way is to use the formula: P = m / V

Density = mass / volume

So to calculate the denisty of the rock you will have to find out how much it weighs and how much volume it occupies.

You can measure the weight by placing the rock on a weighing scale, this will give the weight in grams.

You can determine the volume by submerging the rock in a measuring cup partially filled with water and measuring how much the volume increases. This will give the volume in cm3

Now use the formula to calculate its density in g/cm3.

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βˆ™ 15y ago
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βˆ™ 6mo ago

To find the density of a rock, measure its mass using a scale and its volume using displacement method or geometric calculations. Then, divide the mass by the volume to calculate the density of the rock. Density is typically expressed in units such as grams per cubic centimeter (g/cmΒ³) or kilograms per cubic meter (kg/mΒ³).

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βˆ™ 8y ago

Measure the volume and the mass divide the mass (in thousands of kilograms) by the volume (in cubic meters). If the rock is too large to be measured, take a typical sample of the rock that is small enough and do the measurements on the sample. (If the rock is homogeneous, the density of the sample should not differ from that of the entire rock).

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βˆ™ 15y ago

Density = mass / volume. Weigh the rock to find mass. To find volume, completely submerge the rock in a measuring cup partly filled with water and note the change in volume.

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βˆ™ 16y ago

Density is a comparison of the rock or mineral's weight in comparison to an equal volume of water.

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Q: How do you find density of a rock?
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