Question

the mass of 1 litre of milk is 1.03 kg. the butterfat that it contain has a density of 865 kg.m^-3 and it constitutes 4% of the milk by volume. what is the density of fat-free milk

Answer 1

Answer:

0.746kg/l

Explanation:

: density of milk = 1.03kg/l

For butterfat: Volume= 4% of 1 litre

= 4/100 into 1

Density= 865kg/m³

= 865 kg/ 1000 l

So, mass = density into volume...

= 865/100 into 4/100 = 0.746 kg/l

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