How much pure alcohol is in 300 liters of 30 percent alcohol solution?

To find the amount of pure alcohol in a 300-liter solution that is 30 percent alcohol, you can multiply the total volume by the percentage of alcohol. This calculation is as follows: 300 liters × 0.30 = 90 liters. Therefore, there are 90 liters of pure alcohol in the 300-liter solution.