The mass of empty density bottle is 30g, it is
75g when filled completely with water and 65g
When filled Completely with a liquid, find:
volume of density bottle.?
Density of Liquid?
Relative Density of Liquid.?
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Answer:
Mass of empty density bottle, M1 = 30g
Mass of bottle + Water, M2 = 75g
Mass of liquid + bottle, M3 = 65g
Mass of water = M2-M1 = 75 - 30 = 45g
(a) Volume of density bottle = Mass of water = 45g
(b) Density of liquid x = ? \frac{Mass\ of\ liquid}{Mass\ of\ water}=\frac{35}{45}=0.77\ g\ cm^{-3}
Mass of water
Mass of liquid
=
45
35
=0.77 g cm
−3
Mass of liquid = M3 - M1 = 65 - 30 = 35g
(c) Mass of water in the density bottle = 75 - 30 = 45g
Mass of equal volume of liquid in density bottle 65-30 = 35g
Relative Density of liquid = \frac{mass\ of\ 45\ cc\ ofliquid}{mass\ of\ 45\ cc\ of\ water}=\frac{35}{45}=\frac{7}{9}=0.77\
mass of 45 cc of water
mass of 45 cc ofliquid
=
45
35
=
9
7
=0.77
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