Concentration (Volume of solute total volume)(100%) 25 mL of ethanol is added to enough water to make 100.0 mL of solution. Find the percent by volume of ethanol. 2. 50 mL of ethanol is added to 50 mL of water. What is the percent by volume of ethanol? 3. 3.0 liters of antifreeze is added to 4.0 liters of water. Find the percent by volume of antifreeze. A popular fruit drink contains 5.0% by volume fruit juice. How much fruit juice is in 500.0 mL of the fruit drink? 5. How much corn syrup should be added to water to make 200 mL of a 10% by volume solution?