Question

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

Answer 1

The most appropriate 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 (neutralization reaction) where the reactants (acid and base) combine to form products (water and salt). By measuring the masses of the reactants before the reaction and the mass of the products after the reaction, you can demonstrate that the total mass remains constant, thus showing the conservation of matter.