I believe the answer is 3 - He hypothesized that all substances can be broken down into a smallest part called the atom.
For the equation to be balanced, the Atom's coefficient on the left side and the right side of the equation has to be equal
so, the answer would be :
Br2 + S2032- + 5H20 -- > BR2- + 2S02- + H+
Hope this helps
Answer:
The equilibrium will shift left.
Explanation:
Hope this helps <3