Question

The mass of an empty density bottle is 25 g, it is 45 when filled completely with water and 57 g when filled completely with a liquid. Find:
volume of density bottle,
density of liquid, and
the relative density of liquid

Answer 1

Explanation:

Mass of Empty Density bottle (m1) = 25g

Mass of density bottle with water (m2) = 45g

Mass of density bottle with unknown liquid (m3) = 57

Mass of water = m2-m1 = 45-25 = 20g

Mass of unknown liquid = m3-m1 = 57-25 = 32g

Relative Density of liquid =

Mass of unknown liquid

Mass of water

= 32/20 = 16/10 = 1.6 ( Answer )

Density of liquid in CGS SYSTEM = 1.6 g/cc ( Answer)

OR

Density of liquid in SI SYSTEM = 1.6 × 1000 kg/m³ = 1600 kg/m³ ( Answer )

Now,

Mass of liquid = 32 g

Density = 1.6 g/cc

Volume = (Mass)/(Density)

= 32/1.6 = 320/16

= 20 cc or 20 cm³ { Answer }

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