100% ঘন H2SO4H_2SO_4H2SO4
98% ঘন H₂SO₄ + 2% H₂O
98%H2SO4+SO3+2%H2O98 \% \mathrm{H}_{2} \mathrm{SO}_{4}+\mathrm{SO}_{3}+2 \% \mathrm{H}_{2} \mathrm{O}98%H2SO4+SO3+2%H2O
98%H2SO4+H2 S+2%H2O98 \% \mathrm{H}_{2} \mathrm{SO}_{4}+\mathrm{H}_{2} \mathrm{~S}+2 \% \mathrm{H}_{2} \mathrm{O}98%H2SO4+H2 S+2%H2O