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Hydrogen gas can be produced by the reaction of magnesium metal with hydrochloric acid as shown in the following chemical reaction. Identify the limiting reagent when 6.00 grams of HCl reacts with 5.00 grams of Mg.

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3 answers
  1. So you have
    Mg + 2HCl = MgCl2 + H2
    you have 5/24.3 moles of Mg
    you have 6/36.5 moles of HCl
    so, which will be used up first?

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    oobleck
  2. dk

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  3. HCI is the answer

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