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Question
If the relative density of aluminium is 2.7 and the density of water is 1000 kg/m3 , what is the density of aluminium in SIunit ?
If the relative density of aluminium is 2.7 and the density of water is 1000 kg/m3 , what is the density of aluminium in SIunit ?
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Solution
The Relative Density of a substance is the ratio of its density to that of water. i.e.
Relative Density = Density of substance / Density of water.
Relative Density is unitless.
We are given that the relative density of aluminium is 2.7 and the density of water is 1000 Kg / m3. So, density of aluminium will be
= relative density of aluminium X density of water
= 2.7 X 1000 Kg /m3
= 2.7 X 1000 Kg /m3
Thus, the density of aluminium in SI units is 2.7 X 1000 Kg /m3.
The Relative Density of a substance is the ratio of its density to that of water. i.e.
Relative Density = Density of substance / Density of water.
Relative Density is unitless.
We are given that the relative density of aluminium is 2.7 and the density of water is 1000 Kg / m3. So, density of aluminium will be
= relative density of aluminium X density of water
= 2.7 X 1000 Kg /m3
= 2.7 X 1000 Kg /m3
Thus, the density of aluminium in SI units is 2.7 X 1000 Kg /m3.
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