Question

SO3 gas was passed through NaOH solution​

Answer 1

Answer:

what is your questions I am not understanding properly

Answer 2

Answer:

Explanation:

The reaction goes on like this

2Naoh +so3 -------‐-----> Na2so4+H2O

In some inorganic book for advanced chemistry for iit , we find equation like this

NaOH+SO3-------->Na2O +H2So4

Both are correct. For school exams I will prefer first reaction because many teachers are not aware of the second on reaction.