Question 11021 of 398 · Ohio Pesticide Applicator Core Exam
About how many pounds of 100% active ingredient are needed to make 1,000 gallons of a 10 ppm solution? (water weighs 8.34 pounds per gallon)
Exactly one answer is correct.
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Correct answer to question 11021
- C: 0.083 pound
Explanation
1,000 gallons of water weigh 8,340 pounds. Pounds needed = 8,340 x 10 / 1,000,000 = 0.0834 pound.
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