a student is trying to identify an unknown substance by finding its density. he finds the mass of a weighing boat to be 2.69 g and the mass of the unknown pieces, including the weighing boat, to be 18.01 g. to find the volume he measured out 25.7 ml of water in a graduated cylinder and then added the pieces to find a new measurement of 32.3 ml.
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a student is trying to identify an unknown substance by finding its density. he finds the mass of a...
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