Understanding the Mass of Water: Why 1 kg of Water Equals 1 Kilogram
Explore the fundamental relationship between mass and water in the metric system.
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The mass of 1 kg of water is exactly 1 kilogram. This equivalence is because a kilogram is physically defined based on the mass of water, making it a straightforward conversion in the metric system.
FAQs & Answers
- Why is 1 kg of water defined as 1 kilogram? 1 kg of water is defined as 1 kilogram because the metric system is based on this mass equivalence, allowing for straightforward measurements.
- How does the metric system define mass? The metric system defines mass through the kilogram, which is based on the mass of a specific volume of water.
- What is the relationship between mass and volume in water? In water, mass and volume are directly related; 1 liter of water has a mass of approximately 1 kilogram under standard conditions.
- Are there any exceptions to the 1 kg mass of water? The definition holds true under standard conditions; however, variations in temperature and pressure can alter the density of water slightly.