1) Calculate the density of a solid, when
Mass of solid = 100 g
Initial volume of water in the measuring cylinder = 50 ml
Final volume of water when solid is completely immersed in water = 68 ml
2) Your aunt brings you a gold bar from her visit to Egypt. It measures 10 cm x 5 cm x 2 cm and has a mass of 1,930 g. What is the density of the gold bar?
3) An empty density bottle weighs 30 g. When completely filled with water, it weighs 75 g and when filled with another liquid, it weighs 65 g. Calculate the density of the liquid and relative density.
4) The relative density of a substance is 4.2 and its volume is 20 cm3. Find its mass.
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