Question

How do i balance the equation 2Na2o + H2O = NaOH + H2 ?

Answer 1

remove 2 which is beside of na2o,and add 2 infrent of naoh.then the equation is balanced

Answer 2

first of all remove 2
you get na2o
and then add 2 to naoh
reaction is na2o+h2o=2naoh +h2