A sample of milk diluted with water has a density 1032 kg/m^3..if pure milk has a density of 1080 kg/m^3..find %of water by volume in milk!

Question

A sample of milk diluted with water has a density 1032 kg/m^3..if pure  milk has a density of 1080 kg/m^3..find %of water by volume in milk!

dls · Answer

@shubhamsrg @Mashy

dls · Answer

kal test hai and this is the first question!!tell me something atleast :/!

anonymous · Answer

consider total volume to be X
let y amt be milk.. then x-y amt is water..

shubhamsrg · Answer

final density = total mass/total volume

shubhamsrg · Answer

let milk mass be Mm, let water mass be Mw,
then total mass M=Mw + Mm
and total volume = x

=>1032 = Mw + Mm /x

also,
1080 = Mm/y

and D = Mw/(x-y)

shubhamsrg · Answer

From last eqn,
y=x- (Mw /D)

putting that in eqn above that,

Mm= ( x -(Mw/D) )*1080

putting this in 1st eqn,
1032 = (Mw/x) + (x- (Mw/D)*1080

No idea after this :P

shubhamsrg · Answer

We might well have to take same approximations at this point of time.