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100 cm^3 of fresh water of density 1,000 kgm^-3 is mixed with 100 cm^3 of sea water of density 1030 kgm^-3. Calculate the density of...

      

100 cm^3 of fresh water of density 1,000 kgm^-3 is mixed with 100 cm^3 of sea water of density 1030 kgm^-3. Calculate the density of the mixture.

  

Answers


Davis
Mass = density × volume
Mass of fresh water = 1,000 × 0.0001 = 0.1 kg
Mass of sea water = 1030 × 0.0001 = 0.103 kg
Mass of mixture = 0.1 + 0.103 = 0.203 kg
Volume of mixture = 100 + 100 = 200 cm^3 = 0.0002 m^3
Therefore density = mass / volume = 0.203 / 0.0002
=1,015 kg/m^3.
Githiari answered the question on October 12, 2017 at 13:50


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