Question

when is parts per million used??????



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Answer 1

→ ALSO KNOWN AS MILIGRAM PER LITRE.

→ Used to measure mass of a chemical OR contaminate per unit volume of water.

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Answer 2

Answer:

❤Hey there❤

Parts per million is used as abbreviation.

This is an abbreviation for "parts per million" and it also can be expressed as milligrams per liter (mg/L). This measurement is the mass of a chemical or contaminate per unit volume of water. Seeing ppm or mg/L on a lab report means the same thing.