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Why is it not necessary to measure the amount of salt added to water to make an egg float?
Jhewi003
Water by itself has has a density that is lower than that of an egg. If an object is more dense than its surrounding substance, then it will sink. However, if the object is less dense than its surrounding substance, it will float.
In the case of an egg in water, the water is less dense than the egg; therefore, the egg sinks. But what happens when you add salt to the water? By adding the salt, the density goes up--high enough that the density is more than the egg. Because the egg becomes less dense, it will float.
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