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4. Alcohol of mass 21g and density 0.7gcm-3 is mixed with 10g of water. Determine the density of the mixture. (density of water = 1.0g
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Answers ( )
Answer:
The density of the mixture is 0.775 g/cm³
Explanation:
The given parameters are;
The mass of the alcohol, m₁ = 21 g
The density of the alcohol, ρ₁ = 0.7 g/cm³
The mass of the water with which the alcohol is mixed, m₂ = 10 g
The density of wate, ρ₂ = 1.0 g/cm³
The density of a substance is given by the ratio of the mass to the volume of the substance
The density of the mixture, ρ is given as follows;
Therefore;
The density of the mixture, ρ = 0.775 g/cm³.