# How to calculate the density of an object?

## How to calculate the density of an object?

Key Takeaways: How to Calculate Density 1 Density is how much matter is contained within a volume. A dense object weighs more than a less dense object that is the same size. 2 The density equation is density equals mass per unit volume or D = M / V. 3 The key to solving for density is to report the proper mass and volume units.

### What do you need to know about density of water?

Density is a measure of mass to volume. The density of water at 4C is 1 g/ml. So to determine density of a substance you need to know the mass and the volume. Any density higher than 1 will sink in water and any density lower than 1 will float. Home Science Math and Arithmetic History

#### How to calculate the density of a cube?

The density equation is density equals mass per unit volume or D = M / V. The key to solving for density is to report the proper mass and volume units. If you are asked to give density in different units from the mass and volume, you will need to convert them. Question 1: What is the density of a cube…

How is density related to mass and volume?

A dense object weighs more than a less dense object that is the same size. An object less dense than water will float on it; one with greater density will sink. The density equation is density equals mass per unit volume or D = M / V. The key to solving for density is to report the proper mass and volume units.

Density is the mass of an object divided by its volume. Density often has units of grams per cubic centimeter (g/cm 3). Remember, grams is a mass and cubic centimeters is a volume (the same volume as 1 milliliter). A box with more particles in it will be more dense than the same box with fewer particles.

What is the density of 875 ml of octane?

The density of octane, a component of gasoline, is 0.702 g/mL. What is the mass, in kg, of 875 mL of octane? 1) 0.614 kg 2) 614 kg 3) 1.25 kg.

## When to use specific gravity to calculate density?

However, specific gravity is a unitless number, and is the same in the metric system or any other measurement system. It is very useful when comparing the density of two objects. Since specific gravity is unitless, it doesn’t matter whether the density was measured in g/cm 3 or in some other units (like lbs/ft 3 ).

### What are the densities of water and gasses?

Typical densities for gasses are on the order of thousandths of grams per cubic centimeter. Liquids often have densities of about 1.0 g/cm3, and indeed, fresh water has a density of 1.0 g/cm3.

#### How to calculate the density of mass water?

solve for mass water, mass water = density water ·volume water mass water = 1 g/mL · 250 mL mass water = 250 grams

Which is the key to solving the density problem?

The key to solving for density is to report the proper mass and volume units. If you are asked to give density in different units from the mass and volume, you will need to convert them.

Is the density of copper and gold the same?

I was thinking the answer would be no since the density is different between gold and copper but was unsure if this was a trick question since it maybe has to do with the mass of the substance that is placed into the water. “Added to water” is ambiguous.