Engineering Board Exam Reviewer · Environmental Engineering · hard

A plant needs 60 kg/day of chlorine. If it uses calcium hypochlorite containing 70% available chlorine, how much is required per day?

  1. 42.0 kg/day
  2. 78.0 kg/day
  3. 60.0 kg/day
  4. 85.7 kg/day

Answer

D. 85.7 kg/day

Solution

Mass = 60/0.70 = 85.7 kg/day.

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