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How Much Heavier Is Salt Water Than Fresh Water?

January 24, 2024 by Diane Mitchell

How Much Heavier Is Salt Water Than Fresh Water? By how much? The salinity (saltiness) of the ocean varies, but the generally accepted average amount is 2.5%. So salt water weighs 2.5% more than the same volume (a gallon or litre, for example) of fresh water. Buoyancy is an upward force equal to the weight

Does Freezing Water Increase Density?

January 24, 2024 by Emily Lee

Does Freezing Water Increase Density? Does freezing water increase density? Water is the only known non-metallic substance that expands when it freezes; its density decreases and it expands approximately 9% by volume. How is water density affected by freezing? Water expands when it freezes making it less dense than the water from which it freezes.