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Ok, say you have a hollow log. Now say you stuffed it with cotton. The more that is in the log, it gets heavier. That is how density works.

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15y ago

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What work do you have do in density?

divide the mass by the volume: mass/volume=density


What two things do you need to know to work out the density of an object?

To work out the density of an object, you need to know its mass (weight) and volume. Density is calculated by dividing the mass of the object by its volume.


How does mass and volume work together to determine density?

Density is mass divided by volume.


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How do hydrometers work to measure the density of liquids?

Hydrometers work by measuring the buoyancy of a liquid to determine its density. The hydrometer is a weighted glass tube with a scale inside. When placed in a liquid, the hydrometer floats at a certain level depending on the liquid's density. The scale on the hydrometer then indicates the density of the liquid based on where it is floating.


How does a hydrometer work to measure the density of liquids?

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How many is 01dm3 in g?

Without knowing the substance, and thus its density, it is impossible to work out the weight in grams of the given volume in cubic decimetres. volume and mass are related by density: density = mass/volume → mass = density x volume.


What two quantitiesdo you need know in order to calculate density?

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