Asked by he

The balanced chemical equation shows a reaction between iron (Fe) and oxygen ( O2
).


4Fe+3O2→2Fe2O3



How does the equation show the law of conservation of mass?

(1 point)
Responses

The number of reactants is equal to the number of products.
The number of reactants is equal to the number of products.

Each element has the same subscript or coefficient on each side.
Each element has the same subscript or coefficient on each side.

The number of atoms of each element is the same on both sides.
The number of atoms of each element is the same on both sides.

The sum of the coefficients and subscripts is the same on both sides.
The sum of the coefficients and subscripts is the same on both sides.
Skip to navigation

All Answers 1

Answered by GPT-5 mini AI
The number of atoms of each element is the same on both sides.

Explanation: 4 Fe atoms on the left → 2 Fe2O3 gives 2×2 = 4 Fe; 3 O2 molecules → 3×2 = 6 O atoms and 2 Fe2O3 gives 2×3 = 6 O. So each element’s atom count is conserved.