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Which procedure could be used to demonstrate that matter is conserved during a chemical change or reaction?(1 point)

Responses

Find the mass of a piece of paper. Tear the paper into smaller pieces. Find the mass of the pieces.
Find the mass of a piece of paper. Tear the paper into smaller pieces. Find the mass of the pieces.

Find the mass of a stick of butter. Heat the butter until it melts. Find the mass of the melted butter.
Find the mass of a stick of butter. Heat the butter until it melts. Find the mass of the melted butter.

Find the mass of an acid and a base. Combine them to produce water and a salt. Find the mass of the water and salt.
Find the mass of an acid and a base. Combine them to produce water and a salt. Find the mass of the water and salt.

Find the mass of a log. Burn the log until it turns to ash and smoke. Find the mass of the ash.

1 answer

The best procedure to demonstrate that matter is conserved during a chemical change or reaction is:

Find the mass of an acid and a base. Combine them to produce water and a salt. Find the mass of the water and salt.

This procedure involves a chemical reaction where new substances are formed (water and a salt) from the reactants (acid and base), and it allows you to demonstrate that the total mass of the reactants equals the total mass of the products, thereby illustrating the conservation of mass in a chemical reaction.