At a concentration of 0.02 ppm, ozone causes hardening and rupture of the plastic naturally.
1.- explain what 0.02ppm means
2.- what percentage is it equal to
3.- In what units should this concentration be expressed?
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2
Answer:
In these cases, the volume of the solution in milliliters is equal to the mass of the solution in grams. Thus, the units of grams and milliliters of such solutions become interchangeable. The equation for determining ppm then simplifies to: ppm = (milligrams of solute) / (liters of solution).
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Answer:
ppm=milligrams of solute/ liter of solution
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