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The balanced symbol equation for the reaction between magnesium and hydrochloric acid is shown below.When writing the ionic equation the ions present in the reaction need to be identified, in the reactants and products.Match the reactants and products to the ions and descriptions. HydrogenMagnesium chlorideMagnesiumHydrochloric acidPossible AnswersI DON'T KNOWRESETSUBMIT ANSWER

Question

The balanced symbol equation for the reaction between magnesium and hydrochloric acid is shown below.When writing the ionic equation the ions present in the reaction need to be identified, in the reactants and products.Match the reactants and products to the ions and descriptions. HydrogenMagnesium chlorideMagnesiumHydrochloric acidPossible AnswersI DON'T KNOWRESETSUBMIT ANSWER

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Solution

The balanced symbol equation for the reaction between magnesium and hydrochloric acid is:

Mg (s) + 2HCl (aq) -> MgCl2 (aq) + H2 (g)

Now, let's identify the ions present in the reactants and products:

Reactants:

  1. Magnesium (Mg) - This is a solid metal, so it does not form ions until it reacts.
  2. Hydrochloric acid (HCl) - This is an aqueous solution, which means it dissociates into ions in water. The ions are H+ and Cl-.

Products:

  1. Magnesium chloride (MgCl2) - This is an aqueous solution, which means it dissociates into ions in water. The ions are Mg2+ and Cl-.
  2. Hydrogen (H2) - This is a gas and does not form ions.

So, the ionic equation for the reaction is:

Mg (s) + 2H+ (aq) + 2Cl- (aq) -> Mg2+ (aq) + 2Cl- (aq) + H2 (g)

Note: In the ionic equation, we do not include the Cl- ion because it is a spectator ion, meaning it does not participate in the reaction. The simplified ionic equation, therefore, is:

Mg (s) + 2H+ (aq) -> Mg2+ (aq) + H2 (g)

This problem has been solved

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150 mL of hydrochloric acid of the same concentration is poured into each of two flasks (A and B).10 g of magnesium (Mg) is added to each flask.Bubbles of hydrogen gas are seen in each flask. The reaction in flask A stops sooner than in flask B.When the bubbling in both flasks stops, no solid magnesium is visible in either flask.Question promptWhat is the balanced chemical equation for this reaction?Question response areaSelect one optionMg + 2HClMgCl2 + H22Mg + 2HCl2MgCl + 2H2Mg + HClMgCl + H22Mg + 2HCl2MgCl + H2

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