200cm3 of a liquid of density 0.7g/cm3 is mixed with 100cm3 of another liquid of density 0.9g/cm3. Assuming there was no loss of the liquid during mixing and there was uniform mixing,find the density of the mixture.
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Answer:
Density of mixture or total density = 0.76 g/cm³
Explanation:
We have information about
Liquid 1,
V1= 200 cm³ ; d1=0.7g/cm³
Consider ¶(rho)
We know that,
Mass=Density x volume = 0.7*200=140 g
m1 = 140g
Liquid 2,
V2=100 cm³ ; d2= 0.9 g/cm³
m2= 0.9*100=90g
m2 =90g
Mixing of liquid 1 and liquid 2
Total density = total mass / total volume
= m1+m2 / v1+ v2 = (140+90)/(200+100)
=230/300
Density of mixture or total density = 0.76 g/cm³
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