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DENSITY DENSITY = intensive property used as an ID tag, derived from both extensive properties! Density = Mass = grams = grams Volume cm3 mL (s) (l) Examples: Some liquid nitrogen has a mass of 14 grams and a volume of 36.3 mL. What is the density? A substance has a mass of 24.32 kilograms and a volume of 19.8 L. What is the density? An unknown metal having a mass of 400g was added to a graduated cylinder that contained 40 ml of water. After the addition, the water rose to 78.1 ml. Using this info and a reference table, identify the unknown metal. Density = mass / volume Mass = ______ g Volume = 78.1 ml – 40 ml = _____ ml Density = _______g = ml Identity of metal = ____________
