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One litre of milk weighs 1.035kg. The butter fat it contains to the extent of 4% by volume has a density of 875kg//m^(3). Find the density of the fat-free skimmed milk . (1m^(3)=10^(3) litres) |
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Answer» SOLUTION :Weight of `1m^(3)` milk `=1.035xx10^(3)=1035kg` Weight of the FAT in `1m^(3)` of milk `=0.04xx875kg` (`1m^(3)` milk CONTAINS `0.04m^(3)` of fat ) `=35kg` `:.` density of skimmed milk `=("wt.of skimmed milk")/("vol.of skimmed milk")` `=((1035-35)kg)/((1-0.04)m^(3))=1042kg//m^(3)` |
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