Question 9010 of 234 · California Wastewater Operator Exam
A sludge sample contains 5,000 mg/L of solids. What is this in percent solids?
Exactly one answer is correct.
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Correct answer to question 9010
- D: 0.5%
Explanation
One percent equals 10,000 mg/L, so 5,000 mg/L / 10,000 = 0.5%. Misplacing the decimal point is the usual mistake.
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