If all sulphur present in 2 mmol of FeS2 is converted into

Last updated: 7/8/2022

If all sulphur present in 2 mmol of FeS2 is converted into SO2 and finally into H₂SO3, how many ml of a given concentration of NaOH is required to completely neutralize the H₂SO3? 20 mL of 0.4 M solution 24 mL of 1/3M solution 20 mL of 0.1 M solution 11 mL of 0.2 M solution