11-09-2018
Chemistry

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a powder has a mass of 40.0g when the powder is added to 30.0ml of water the total volume is 45.0ml what is the denaity of the powder

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Wilfredjr Wilfredjr

11-09-2018

mass = 40.0g
initial volume = 30.0 cm3
finial volume = 45.0 cm3

Volume= Displacement of Final - Initial
V = 45.0 -30.0 = 15.0 dm3

Density = Mass ÷ Volume

D= 40.0g ÷ 15.0 dm3

D= 2.67 g/dm3

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