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Two miscible liquids of densities 1.2gm/...

Two miscible liquids of densities `1.2gm//cm` and `1.4gm//cm` aer mixed with a proportion ratio of their volumes equal to 2.5: what is the density of redulting liquid?

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`rho_(2)=(rho_(1)V_(1)+rho_(2)V_(2))/(V_(1)+V_(2))impliesrho=(rho_(1)(V_(1))/(V_(2))+rho_(2))/(V_(1)//V_(2)+1)impliesrho=((1.2)(3//5)+1.4)/((3.5)+1)=(3.6+7)/(8)impliesrho=1.325`
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