However, ice is less dense than liquid water, a property that is unique to water. Having a lower density means that ice floats when placed in liquid water. When water freezes, it occupies more space than in its liquid form because its molecules expand. Therefore, if we have 1 liter of ice and 1 liter of water, the water will weigh more because it is denser.
Isn’t that just an explanation of density? When you freeze some water it will still have the same mass, just a slightly higher volume. As the density is lower.
When water turns to ice it increases about 9% in volume but ice weighs about 9% less than the water.
Wouldn’t the mass remain the same, it’s the density that drops and that is why it floats
Imagine believing that relatively subtle changes in temperature change the mass of a quantity of mass.
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https://www.worldatlas.com/science/do-water-and-ice-weigh-the-same.html
Isn’t that just an explanation of density? When you freeze some water it will still have the same mass, just a slightly higher volume. As the density is lower.
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Where does the 0.81% of the original mass disappear?