According to the Law of Conservation of Mass, can atoms be destroyed during a reaction? Explain.

In a popular classroom demonstration, solid sodium is added to liquid water and reacts to produce hydrogen gas and aqueous sodium hydroxide. part a write a balanced chemical equation for this reaction. express your answer as a chemical equation. identify all of the phases in your answer.

Ionic compounds are made of ions, and yet the overall charge of an ionic compound is neutral. why?

Calculate the molarity of 48.0 ml of 6.00 m h2so4 diluted to 0.250 l .