How many pounds of 25 percent WP must you add to 100 gallons of water to achieve a 1 percent active ingredient mixture?

To determine how many pounds of a 25 percent wettable powder (WP) you need to add to 100 gallons of water to achieve a 1 percent active ingredient mixture, you first need to establish the total amount of active ingredient desired in the final solution.

A 1 percent active ingredient mixture in 100 gallons of water means you want 1 percent of 100 gallons to be the active ingredient. Since 1 percent of 100 gallons is 1 gallon, and knowing that there are about 8.34 pounds in a gallon of water, you can calculate the total weight of the desired active ingredient.

1 gallon of active ingredient is equivalent to approximately 8.34 pounds. Therefore, you need to have 8.34 pounds of active ingredient in your final solution.

Next, you have a 25 percent solution of WP. This means that for every 100 pounds of the WP, there are 25 pounds of active ingredient. To find out how much WP you need to achieve 8.34 pounds of active ingredient, you can set up the following calculation:

Let X be the number of pounds of the 25 percent WP you need to add. The equation to find how many pounds is:

0.25 * X