Engineering Board Exam Reviewer · Environmental Engineering · medium
Convert an SO2 concentration of 0.1 ppm to g/m3 at 25 °C and 1 atm. (M SO2 = 64 g/mol, molar volume = 24.45 L)
- 0.262 g/m3
- 285.7 g/m3
- 38.2 g/m3
- 261.8 g/m3
Answer
D. 261.8 g/m3
Solution
g/m3 = ppm × M × 1000/24.45 = 0.1 × 64 × 1000/24.45 = 261.8 g/m3.
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