An environmental chemist sampling industrial exhaust gases from a coal-burning plant collects a CO₂-SO₂-H₂O mixture in a 21-L steel tank until the pressure reaches 850. torr at 45C.(a) How many moles of gas are collected?(b) If the SO₂ concentration in the mixture is 7.95x10^3parts permillion by volume (ppmv), what is its partial pressure?
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