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Finding mass of an unknown object

Physics
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How can I find the exact mass of an unknown object under 1 kg. using an experiment. I know no information about the object and must set up the experiment before I receive the object to measure. 

Oct 12th, 2014

Put the object in a graduated beaker/ test tube half filled with water. Note the increase in the level of the water. For every milliliter rise in water level, the object weighs that many grams.

Example : beaker contains 500 ml of water

object is placed water level rises to 712 ml

increase in water level = 712-500=212 ml

mass of object = 212g

Oct 14th, 2014

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Oct 12th, 2014
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Oct 12th, 2014
Dec 7th, 2016
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