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A man receives a platinum ring from his fiancée. Before the wedding, he notices that the ring feels a little light for its size, and so he decides to determine its density. He places the ring on a balance and finds that it has a mass of 3.15 g. He then finds that the ring displaces 0.233 cm3 of water. Is the ring made of platinum? (Note: The volume of irregularly shaped objects is often measured by the displacement of water. To use this method, the object is placed in water and the change in volume of the water is measured. This increase in the total volume represents the volume of water displaced by the object and is equal to the volume of the object.)

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