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## Homework Statement

8 grams of Sulfur is burnt in Oxygen to form SO

_{2}which is oxidized by Chlorine water. The solution is treated with BaCl

_{2}solution. The amount of BaSO

_{4}precipitated is ?

## Homework Equations

SO

_{2}+ Cl

_{2}+ H

_{2}O = SO

_{3}+ 2HCl

SO

_{3}+ HCl + BaCl

_{2}= BaSO

_{4}+ HCl

I do not know if the second one is right and if right, how to balance it?

## The Attempt at a Solution

*Prima facie*it appears that 0.25 mol of S reacts with 0.25 mol of O2 to produce 0.25 mol of SO

_{2}.

Beyond this, I do not know how to proceed since the second equation is not balanced.