Express the maximum concentration of SO₂(g) in moles/L. (1 m³ = 1000 L; 1 L = 1000 mL; 1 g = 1000 mg). Enter your answer using scientific notation.
a) 5.67×10−4
b)4.32×10−5
c) 7.89×10−6
d) 1.20×10−3