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Platinum has a density of 21.45 g/cm³ 25 °C. On the other hand, water at this temperature has a density of 0.99997 g/ml. The density of iron is 7.87 g/cm³. a. What is the density of water in units of kg per cubic meter? b. Dr. Schoonover just bought a platinum ring. Because of this, he thinks he is better than everyone else. To show off the platinum, he drops his ring into a measuring cylinder that has 5.00 ml of water in it. The water level rises to 5.25 ml. The mass of the ring after it is dried and polished, is 1.9675 grams. Is his ring actually made out of platinum

Platinum has a density of 21.45 g/cm³ 25 °C. On the other hand, water at this temperature has a density of 0.99997 g/ml. The density of iron is 7.87 g/cm³. a. What is the density of water in units of kg per cubic meter? b. Dr. Schoonover just bought a platinum ring. Because of this, he thinks he is better than everyone else. To show off the platinum, he drops his ring into a measuring cylinder that has 5.00 ml of water in it. The water level rises to 5.25 ml. The mass of the ring after it is dried and polished, is 1.9675 grams. Is his ring actually made out of platinum

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter1: The Nature Of Chemistry
Section: Chapter Questions
Problem 127QRT
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1 mole = 6.022 x 1023 molecules 1 gal = 3.785 L 4 qt = 1 gal 1 qt = 32 fl oz 1 cup = 8 fl oz 18 grams water = 6.022 x 1023 water molecules 1000 ml = 1 L Platinum has a density of 21.45 g/cm³ 25 °C. On the other hand, water at this temperature has a density of 0.99997 g/ml. The density of iron is 7.87 g/cm³. a. What is the density of water in units of kg per cubic meter? b. Dr. Schoonover just bought a platinum ring. Because of this, he thinks he is better than everyone else. To show off the platinum, he drops his ring into a measuring cylinder that has 5.00 ml of water in it. The water level rises to 5.25 ml. The mass of the ring, after it is dried and polished, is 1.9675 grams. Is his ring actually made out of platinum?
Transcribed Image Text:1 mole = 6.022 x 1023 molecules 1 gal = 3.785 L 4 qt = 1 gal 1 qt = 32 fl oz 1 cup = 8 fl oz 18 grams water = 6.022 x 1023 water molecules 1000 ml = 1 L Platinum has a density of 21.45 g/cm³ 25 °C. On the other hand, water at this temperature has a density of 0.99997 g/ml. The density of iron is 7.87 g/cm³. a. What is the density of water in units of kg per cubic meter? b. Dr. Schoonover just bought a platinum ring. Because of this, he thinks he is better than everyone else. To show off the platinum, he drops his ring into a measuring cylinder that has 5.00 ml of water in it. The water level rises to 5.25 ml. The mass of the ring, after it is dried and polished, is 1.9675 grams. Is his ring actually made out of platinum?
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