Question

if a solid substance ( say 'Y' ) in cubic shape of side length 3cm has relative density of 7.5, then the mass of 'Y' should be in the given volume, will be_____________?

options -
192.5 gm
182.5 gm
202.5 gm
102.5 gm​

Answer 1

Answer:

Relative density = Density of material/ density of water at 0°C

Density of water at 0°C = 1g/cc

So, density of particle is 7.5 g/cc

Volume of cube = 3 x 3 x 3 = 27cc

So, mass = Density x Volume = 7.5 x 27 = 202.5