Q 25: What will be the volume of 1620g of substance whose density is 8.1g/cm3 ?
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Answered by
1
d=mass\vol
vol=mass\density
which gives,
1620\8.1=200g
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GIVEN :-
- mass of substance ( m ) = 1620 g = 1.62 kg.
- Density of substance ( ⍴ ) = 8.1 g/cm³ = 8100 kg/m³.
TO FIND :-
- The volume of the substance ( v ).
SOLUTION :-
As we know that,
⇒ Density = mass/volume
⇒ ⍴ = m/v
⇒ 8100 kg/m³ = 1.62 kg/v
⇒ 8100 kg/m³ × v = 1.62 kg.
⇒ v8100 kg/m³ = 1.62 kg
⇒ v = 1.62 kg/8100 kg /m³
⇒ v = 0.0002 m³ or v = 200 cm³.
Hence the volume of the substance is 0.0002 m³.
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