Question 6043 of 223 · California Water Treatment Operator Exam
A hardness of 5 mg/L is equal to how many grains per gallon? (1 gpg = 17.1 mg/L)
Exactly one answer is correct.
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Correct answer to question 6043
- D: 0.29 gpg
Explanation
gpg = mg/L / 17.1 = 5 / 17.1 = 0.29. Multiplying gives 85.5.
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