1. Suppose 10 atoms of carbon (C) tear with 20 atoms of (O)….
B. 30
2. Which procedure could be used to demonstrate that matter is conserved during a chemical reaction?
B. Find the mass of an acid and a base. Combine them to produce water and salt. Find the mass of the water and salt.
3. What is always true according to the law of conservation of matter?
A. Atoms can be rearranged during a chemical reaction but cannot be added or taken away.
4. A student combines 2 liquids in a beaker…
B. The reaction produced a Gas that escaped the beaker