BBC1 年
How are the amounts of substances in reactions calculated?
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.
BBC7 年
Monitoring the rate of a reaction
If the reaction is set up on a balance as shown ... of gas produced when magnesium carbonate reacts with dilute hydrochloric acid.