Question

2H2O → 2H2 + O2

Answer 1

Answer:

Option (B) is correct.

The mass of the reactants equals the mass of the products.

Step-by-step explanation:

According to law of conservation of mass :

In a balanced chemical equation, the mass of reactants is always equal to the mass of products.

Here, Water $2H_{2}O$ is the reactant which has 4 units of Hydrogen and 2 units of oxygen.

and $2H_2+O_2$ are products which also has 4 units 4 units of Hydrogen and 2 units of oxygen.

Thus, The mass of the reactants equals the mass of the products.

Thus, option (B) is correct.

Answer 2

B) The mass of the reactants equals the mass of the products