An empty density bottle of Volume 50cc weigh 100g when completely filled With liquid of relative density 1.4 the mass of relative density bottle is what
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Explanation:
Mass of empty R.D bottle = 26.4 gm
Mass of R.D bottle + water = 38.4 gm
Mass of R.D bottle + liquid = 35.4 gm
mass of only water = 38.4 -26.4 = 12 gm
Volume of 1 g of water = 1 cm
3
∴ Volume of 12 g of water = 12cm
3
Mass of only liquid = 35.4 - 26.4 = 9 gm
Volume of the liquid = 12cm
3
∴ Density of liquid =
Vol.ofliquid
Massofliquid
=
12cm
3
9g
=0.75g/cm
3
R.D of the liquid =
Densityofwater
Densityofliquid
=
1.00g/cm
3
0.75g/cm
3
=0.75
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