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Ivory Soap is less dense than water. A bar of ivory soap weighs less than the volume of water it would displace if it were fully submerged. Since the buoyant force is equal to the weight of the displaced water, that produces a net upward force on it. It will rise in the water until enough of it is sticking out of the water so that the buoyant force is equal (and opposite) to the soap bar's weight. When that happens, it floats, just like in the commercials.

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17y ago
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16y ago

it is mostly composed of lipids which weigh less that water

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Q: What makes soap float?
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Related questions

Will a boat float on liquid soap?

Yes the boat will float on liquid soap


Does soap stone float?

No, soapstone does not float in water. It is a dense, metamorphic rock composed primarily of the mineral talc, which makes it heavier than water and causes it to sink.


Can bar soap float?

No, a bar of soap is to heavy to float on anything.


Why does a bar of soap float when its heated and please explain more throughly?

that's easy, molecules become very active when its heated so.... when a heated the molecules expand allowing the soap to seem more denser which makes it lighter and able to float


Ivory soap is the only soap that floats Is this fiction or nonfiction?

This is nonfiction. Ivory soap is known to float due to its unique formulation that incorporates air bubbles during production.


Does dish soap sink or float on water?

Dish soap generally floats on water due to its lower density compared to water. This is because dish soap is less dense than water, causing it to float.


Will a paper clip float on soap water?

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Why does a bar of soap float in a bath tub?

A bar of soap floats in water because it is less dense than water. The air pockets and ingredients in the soap decrease its overall density, allowing it to float on the surface of the water.


What do you call a person who makes soap?

A person who makes soap is called a soapmaker or a soap artisan.


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Bouyancy is what makes a boat float


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The float has air in it.


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Yes, dish soap can float on water because it is less dense than water. The soap molecules have properties that allow them to form a thin film on the surface of water, causing the soap to float.