1.

the volume of 50 gram of substance is 20 CM if the density of water is 1 gram CM will the substance sink or float

Answer»

The volume of 50 g of a substance is 20 cm3. If the DENSITY of water is 1 gcm3, will the
substance float or sink?

Mass of substance (m) = 50 g

Volume of substance (V) = 20 cm^3

Density of substance (D) = m/v = 50g/20cm^3 = 2.5gcm^-3

The substance will sink in water, as its density (2.5 gcm^-3) is more than the density of water
(1 gcm^-3)
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