Question

A chemical equation is shown:
Na + H2O → NaOH + H2

According to the law of conservation of mass, how many atoms of hydrogen exist in the products of this reaction?

Option A: 2
Option B: 3
Option C: 4
Option D: 6

Answer 1

The answer to this is Option:C if we balance it

Answer 2

Answer:

the option is c is correct

as,there is a unbalanced equation.

so, forming that in balance equation the eqation will be,

2Na + 2H2o = 2NaOH + H2