How to convert solution in litres to ppm?

soltion is of 200 Ltrs. Pump doses about 40 LPH. into a feed flow of 1000cubic metres per hour. how much ppm of soln is dosed

Answer:
If you dose 40 LPH to a stream of 1 million LPH, that would be 40 ppm

part of the question is missing. ppm (parts per million) is a concentration.

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