chemistry

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Bill finds an unusual object and wishes to calculate it's density. He discovers a problem of accurately weighing it, because it won't stay on the weighing pan. To solve this he adds the object to a beaker containing 161 mL of distilled water and finds the water level rises to 190 mL. The flask of water weighed 955.5 grams after the object was added. If the empty beaker weighed 669 grams, what is the weight of the water?

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    This is a slightly different post that the one above. But my comments will be the same? How much of this do you know how to do? How much have you done? What do you not understand about it?

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