# Calculate The Concentration Of Ethyl Alcohol Mixed With Water

Q44: A solution contains 40 mL of ethyl alcohol mixed with 100mL of water. What is the concentration of the solution in terms of volume by volume percentage?

Answer:

Volume of solute (ethyl alcohol) = 40mL Volume of solvent (water) = 100 mL

Total volume of the solution

= 40 + 100 = 140 mL

Volume by Vol. Percentage

= Volume of solute × 100 / volume of solution

⇒ v/v % = 40 × 100 /140

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