Question

why do we need to blance a equation? explain with help of simple equations

Answer 1

Answer:

to satisfy law of conservation of mass bcoz mass in reactants should be equal to the mass of products eg 2h2+o2-2h2o

Answer 2

Answer:

A chemical equation is to be balanced so that it follows laws if conservation of mass .

a chemical balanced occurs when the number of different atoms in the reactants is equal to the product side.

Balancing chemical equation is the process of trail and error .

Explanation:

fe2O3 + C ---------->Fe+3CO2

fe=4. Fe=1

C=1. C=3

O=6. O= 6