Question

What is meant by ppm in chemistry?

Answer 1

Explanation:

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. ... This procedure would produce an ink concentration of 1 ppm.

Answer 2

Answer:

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