Math Problem Statement
The secondary NAAQS for SO2 is 0.5 ppm (for a 3-hour average). Calculate the equivalent concentration in ug/m3 at standard temperature and pressure (STP, T = 25 C, P = 1 atm)
Solution
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Math Problem Analysis
Mathematical Concepts
Chemistry
Ideal Gas Law
Unit Conversion
Formulas
Concentration in µg/m³ = Concentration in ppm × (Molar mass of SO₂ × P) / (R × T)
Theorems
Ideal Gas Law
Suitable Grade Level
Grades 10-12
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