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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.