You have some metal shot (small spheres about 5 mm in diameter), and you want to identify the metal. You have a flask that is known to contain exactly 100.0 mL when filled with liquid to a mark in the flask’s neck. When the flask is filled with water at 20°C, the mass of flask and water is 122.3 g. The water is emptied from the flask and 20 of the small sphere of metal are carefully placed in the flask. The 20 small spheres had a mass of 42.3 g. The flask is again filled to the mark with water at 20 °C and weighed. This time the mass is 159.9 g.
(a) What metal is in the spheres? (Assume that the spheres art all the same and consist of pure metal.)
(b) What volume would 500 spheres occupy?
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