What is the density of a liquid of mass 10 kg and contained in a cylinder of radius 5 m and surface area (excluding top and bottom) of 10π m^2?(a) 0.2π kg/m^3(b) 0.4π kg/m^3(c) 0.5π kg/m^3(d) 0.6π kg/m^3I have been asked this question in examination.This intriguing question originated from Density in chapter Moles, Density & Concentration of Basic Chemical Engineering

What is the density of a liquid of mass 10 kg and contained in a cylin

1.	What is the density of a liquid of mass 10 kg and contained in a cylinder of radius 5 m and surface area (excluding top and bottom) of 10π m^2?(a) 0.2π kg/m^3(b) 0.4π kg/m^3(c) 0.5π kg/m^3(d) 0.6π kg/m^3I have been asked this question in examination.This intriguing question originated from Density in chapter Moles, Density & Concentration of Basic Chemical Engineering
Answer» Right choice is (B) 0.4π kg/m^3 The explanation: HEIGHT of cylinder = 10π/(2π*5) = 1 m, => VOLUME of cylinder = π(5^2)1 = 25π, => density of liquid = 10/25π = 0.4π kg/m^3.

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