Question

Which equation is balanced? * 2PbO₂ + 2H₂--> H2SO₄ SO₂ + H₂0 --> H₂SO₄ 2Na + 2H₂O --> 2NaOH + H₂ 2Na + 2H₂O --> 2NaOH + H

Answer 1

Answer:

1.2(Na202)

2. so 2

3.cH2 to 3

4 H20