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How many moles of hydrogen gas would be produced for every mole of magnesium added into the HCl solution?

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This is called the stoichiometry of a reaction. 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.
User Syed Anas
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