Mathematics · Gas Concentration Conversion
At Standard Temperature and Pressure (STP), a concentration of 1 ppb of sulfur dioxide (SO 2 ) is equivalent to approximately:
- 12.86 μg/m 3✓
- 24.52 μg/m 3
- 33.16 μg/m 3
- 47.31 μg/m 3
Correct answer
2.86 μg/m 3
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