Question

Which of the following statements is true about stoichiometric coefficient?
A. It is written to make the number of each element in a chemical equation the same in the reactant and product side.
B. the sum of all coefficients in the left must be equal to the sum of all coefficients in the right side of the equation.
C. It is the subscript written after each element.
D. None of the above.

Answer 1

b one is the right answer ok