One litre of milk weights 1.035 kg . The butter -fat is 4% ( v / v ) of milk and has density of 875 kg / m 3 . If the density of fat free skimed milk is ( x 100 ) gm / ml , the value of ' x &#0

Question

One litre of milk weights 1.035 kg . The butter -fat is 4% ( v / v ) of milk and has density of 875 kg / m 3 . If the density of fat free skimed milk is ( x 100 ​ ) gm / ml , the value of ' x ' is :

TestHub · Accepted Answer

1 L = 1000 mL , 1.035 kg milk = 1035 gm 100 mL milk contain 4 mL fat. 1000 mL milk contain 40 mL fat density of fat free milk = volume of fat free milk mass off fat free milk ​ = 1000 − 40 1035 − ( 1 0 6 875 × 1 0 3 ​ ) × 40 ​ = 96 100 ​ g / ml

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