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25-08-2022
Chemistry

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- A graduated cylinder has a mass of 50.0 g when empty. When 30.0 mL of water is added,
the graduated cylinder has a mass of 120.0 g. If a rock is added to the graduated cylinder,
the water level rises to 75 mL and the total mass is now 250.0 g. What is the density of
the rock?

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