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You don't actually 'convert' them.

The 'density' of a substance is the same whether you have a speck of it or a carload

of it. But the mass depends on how much of it you have.

If you have a piece of a substance, and you know the density of that substance,

you still have to measure the volume of the sample. Then multiply the density by

that volume, and the result is the mass of the piece you have.
The formula is D=m/v but you at least need to know 2 of the variables as well.

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12y ago

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