Question

Which observations support the law of conservation of mass for electrolytic decomposition of

water

Answer 1

1. The total masses of the products (hydrogen and oxygen gases) is equal to the mass of the water that was decomposed.

2. The number of atoms of each element in the reactants is equal to the number of atoms of each element in the products.

3. The total charge of the reactants is equal to the total charge of the products.

Explanation: water.