Question

According to the law of conservation of mass, in any chemical change:
the mass of reactants is greater than the mass of products
O the mass of reactants is less than the mass of products
the mass of reactants is equal to the mass of the products
the masses of products and reactants have no predictable relationship

Answer 1

Answer:

The law of conservation of mass states that in a chemical reaction mass is neither created nor destroyed. ... The carbon atom changes from a solid structure to a gas but its mass does not change. Similarly, the law of conservation of energy states that the amount of energy is neither created nor destroyed.

Answer 2

The correct statement is 'the mass of reactants is equal to the mass of the products'.

Explanation:

• The law of conservation of mass states that 'in chemical reaction mass can neither be created nor be destroyed.
• According to this law total mass of reactant before chemical reaction is eqaul to total mass of the products after the chemcial reaction.
• The number of atoms of taking part in chemical remains the same before and after the course of chemical reaction.

So, from this we can conclude that the from the given statements the correct statement is 'the mass of reactants is equal to the mass of the products'.

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