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4. Reaction of magnesium metal with aqueous hydrochloric acidrnobservations: Reaction Type:rnOxidation States of atoms in reactantsrnmg = h = ClrnOxidation states of atoms in productsrnmg = h = ClrnBalanced Reaction:rn(including states)rnsubstance Oxidized? Substance Reduced? Oxidizing Agent? Reducing Agent? Number of electronsrntransferred
Accepted Answer
Observations:
- Evolution of hydrogen gas (fizzing)
- Formation of magnesium chloride solution
Reaction Type:
- Single-displacement reaction
Oxidation States of Atoms in Reactants:
- Mg: 0
- H: +1
- Cl: -1
Oxidation States of Atoms in Products:
- Mg: +2
- H: +1
- Cl: -1
Balanced Reaction (including states):
Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g)
Substance Oxidized:
- Mg
Substance Reduced:
- H+
Oxidizing Agent:
- HCl
Reducing Agent:
- Mg
Number of Electrons Transferred:
- 2 electrons
- Evolution of hydrogen gas (fizzing)
- Formation of magnesium chloride solution
Reaction Type:
- Single-displacement reaction
Oxidation States of Atoms in Reactants:
- Mg: 0
- H: +1
- Cl: -1
Oxidation States of Atoms in Products:
- Mg: +2
- H: +1
- Cl: -1
Balanced Reaction (including states):
Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g)
Substance Oxidized:
- Mg
Substance Reduced:
- H+
Oxidizing Agent:
- HCl
Reducing Agent:
- Mg
Number of Electrons Transferred:
- 2 electrons
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