Question

Please Help Me!

What coefficents should be added in order to make this a balanced equation?
_____ SO2 + ____ H2 → _______ H2S + _____ H2O

Answer 1

The answer to your question is SO₂ + 3H₂ ⇒ H₂S + 2H₂O

Step-by-step explanation:

Reaction

SO₂ + H₂ ⇒ H₂S + H₂O

Reactants Elements Products

1 Sulfur 1

2 Hydrogen 4

2 Oxygen 1

This reaction is unbalanced so we need to balance it.

SO₂ + 3H₂ ⇒ H₂S + 2H₂O

Reactants Elements Products

1 Sulfur 1

6 Hydrogen 6

2 Oxygen 2

Now, the reaction is balanced