MCQ
When a solute is present in trace quantities the following expression is used
- AGram per million
- BMilligram percent
- CMicrogram percent
- ✓Parts per million
✓
Answer
Correct option: D.
Parts per million
d
When the solute is present in trace quantities it is convenient to express the concentration in parts per million ($ppm$)
When the solute is present in trace quantities it is convenient to express the concentration in parts per million ($ppm$)
It is defined as the quantity of the solute in grams present in $10^6 \,grams$ of the solutions.
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