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1)first write chemical formula in words

2)then write the formula

3)check the formula whether the coefficients are correct

4)finnaly verify the formula

1)

We just have to put any coefficient before any compound & try to equate to opposite side of that element or compond.

2)

We 1st have to put coefficient a,b,c,d,e........& on till how many componds are given both on left hand side & right hand side.Then we have to put the value of a=1 & with respect to a particular element we have to make an equation.Thus, like this we have to find out all the values of a,b,c,d,e......& on.