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 45 mL of distilled water and finds the water level rises to 87 mL. The flask of water weighed 442.2 grams after the object was added. If the empty beaker weighed 297 grams, calculate the following:
The weight of the water: g
The weight of the object: g
The volume of the object: cm3
The density of the object: g/cm3

Question

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 45 mL of distilled water and finds the water level rises to 87 mL. The flask of water weighed 442.2 grams after the object was added. If the empty beaker weighed 297 grams, calculate the following:
The weight of the water:           g
The weight of the object:          g
The volume of the object:         cm3
The density of the object:              g/cm3

jfraser · Answer

the first two should be obvious. How much did the empty beaker weigh? How much did the beaker weigh when it was full?