Question

One litre of a mixture containing `BaF_(2)` and `H_(2)SO_(4)` was taken for analysis. `25 mL` of this mixture was added to `100 mL` of `0.05 N K_(2)CO_(3)` solution and precipitate was filtered off. The filtrate required `12 mL` fo `0.025 M` oxalic acid solution using phenolphthalein as indicator. Find the strength of `BaF_(2)` and `H_(2)SO_(4)` in mixture.

Answer 1

Correct Answer - `BaF_(2)=6.372g//"litre", H_(2)SO_(4)=3.92 g//"litre"`;