Question 6017 of 223 · California Water Treatment Operator Exam
12 lb of dry chemical is dissolved in 100 lb of water. What is the percent strength of the solution?
Exactly one answer is correct.
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Correct answer to question 6017
- B: 10.7 percent
Explanation
Percent = dry weight / (dry weight + water weight) x 100 = 12 / 112 x 100 = 10.7. Using only the water weight gives 12.
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