A sample of fuming sulphuric acid containing H_(2)SO_(4), SO_(3) and SO_(2) weighing 1.0 g is found to require 23. 47 mL of 1.0N alkali for its neutralisation. A separate sample shows the presence of 1.5% SO_(2). Find the percentage of free SO_(3),H_(2)SO_(4) and combined SO_(3) in the sample.

A sample of fuming sulphuric acid containing H_(2)SO_(4), SO_(3) and S

1.	A sample of fuming sulphuric acid containing H_(2)SO_(4), SO_(3) and SO_(2) weighing 1.0 g is found to require 23. 47 mL of 1.0N alkali for its neutralisation. A separate sample shows the presence of 1.5% SO_(2). Find the percentage of free SO_(3),H_(2)SO_(4) and combined SO_(3) in the sample.
Answer» ANSWER :`65.3%, 33.2%, 27.10%`;