Question

find the relative density of oil if the density of oil is 7100kg/m cube and density of a water is 1000kg/m
cube.​

Answer 1

Answer:

In Layman's terms, density is the mass of an object relative to the volume it occupies. Mathematically, density, mass and volume are related according to the following formula: ρ=m/V where ρ=density, m=mass and V=volume. The density of most oils will range between 700 and 950 kilograms per cubic meter (kg/m3).1000 kg/m3

In SI units, the density of water is (approximately) 1000 kg/m3 or 1 g/cm3, which makes relative density calculations particularly convenient: the density of the object only needs to be divided by 1000 or 1, depending on the units.

Answer 2

Answer:

71 gcm^-3

R.D= 71

Explanation:

given,

density of oil =7100 kgm^-3= 71 gcm^-3

(since, 1 gcm^-3= 1000 kgm^-3)

R.D. of oil = density of oil/ density of water at 4 degrees celsius.

                = 71 gcm^-3/1 gcm^-3

                = 71

   ( R.D. is a ratio of two same quantities it has no units)

we converted the initial value to c.g.s unit to make the numerical simpler

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