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CBSE Class 9 Answered

the mass of a density bottle is 25gm when empty.50gm when filled with water and 365gm when filled with mercury. find the density of mercury.
Asked by RAJDEEP NASKAR | 07 Oct, 2013, 03:45: PM
answered-by-expert Expert Answer

Let the volume of bottle = x

Then density of water = (50-25) /x

                              = 25/x

Density of mercury = (365-25)/x

                          = 340/x

Now,

relative density = density of substance / density of water

                       = (340/x)/(25/x)

                       = 340x/25x

                       = 340/25

                       =13.6

Therefore, relative density of mercury is 13.6

So, actual density of mercury is 0.0136 kg/l

Answered by Faiza Lambe | 07 Oct, 2013, 04:47: PM

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