Question

Balance the following reaction:

Answer 1

Answer:

6 is the correct answer

Answer 2

 The balanced reaction is   as below

3A₂B  + 2DC₃→ 6 AC  + D₂B₃

The number that must be  to the left of AC   is 6

 Explanation

• According to the law  of mass  conservation , the number of atoms in reactant side   must be equal  to number  to the number of atoms  in  product  side.

• Therefore the equation above is balance  since  it obey the law of mass conservation.

• For example there is 6 atoms  of A in reactant side and  6 in product side.