According to the law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants.
∴ B is the Answer
Answer:
Gasoline combusting in an engine
Explanation:
When gasoline is ignited, carbon dioxide and water are produced.
The solvent and the solute: when two parts combine to make a solution, the properties of the solution differ from the properties of the individual parts.
<span>The biggest precaution that should be followed is to not wall the separatory funnel off too tightly. When the sodium carbonate solution is used, the acid will react with it to create carbon dioxide. This can build up in the funnel, leading to an increase in pressure that could cause a rupture if enough is created.</span>