This balanced chemical equation shows that 1 mole of magnesium reacts with 2 moles of hydrochloric acid to form 1 mole of magnesium chloride and 1 mole of hydrogen.

If the reaction is set up on a balance as shown ... of gas produced when magnesium carbonate reacts with dilute hydrochloric acid.

These are the reactions between: calcium carbonate (marble chips) and hydrochloric acid magnesium and hydrochloric acid sodium thiosulfate and hydrochloric acid The chemical equation for each reaction ...