Question

how can i understand to balance the chemical equation ?

Answer 1

It is easy to balance a chemical equation.
First, you count the number of atoms of elements in reactants and products.Make it a tabular form.
Now,you can easily understand how to balance by seeing tabular form.
Or else,you can do hit and try method.
It means keeping a number as coefficient of any compound and checking.This is easy process.
for example,
H2+O²-------:→H2O
Balanced equation is
2H2+O2------→2H2O

Answer 2

An balanced chemical equation means no. of atoms is equal in reactants and products.

to balance an equation first we should count no. of atoms in both the sides. then, balance it by multiplying any no. like 2,3,4 etc.

hope u understand :)