Mg + HCl = MgCl2 + H2

Balanced Chemical Equation – Solution

Mg + 2HCl → MgCl2 + H2

The coefficients show the number of particles (atoms or molecules), and the indices show the number of atoms that make up the molecule. New substances are formed as a result of the rearrangement of the original atoms. As a result of a chemical reaction, atoms of chemical elements do not disappear anywhere and new ones do not appear, their number remains unchanged – this follows from the law of conservation of mass of substances.

Chemical Reaction Information

Magnesium + Hydrogen Chloride = Magnesium Chloride + Tritium

This is an oxidation-reduction (redox) reaction. HCl is an oxidizing agent, Mg is a reducing agent.

  • 2 HI + 2 e  2 H0 (reduction)
  • Mg0  2 e  MgII (oxidation)

Reaction Type

Single Displacement (Substitution)

Substances that react are called starting materials or reactants. The substances that form as a result are called reaction products.

Reactants:

Mg

  • Names: Magnesium.
  • Appearance: Grey powder.

HCl – Chlorane

  • Other names: Hydrochloric acid.
  • Appearance: Colorless, transparent liquid, fumes in air if concentrated.

Products:

MgCl2

  • Names: Magnesium chloride, Magnesium dichloride, Magnesium chloride anhydrous.
  • Appearance: White or colourless crystalline solid.

H2

  • Names: Dihydrogen, Hydrogen.
  • Appearance: Odourless colourless compressed gas.
Similar Examples of Equalizing a Chemical Reaction
HCl + Mg → H2 + Cl:- + Mg:2+
HCl + Mg + Na3SbO4 → H2O + NaCl + MgCl2 + SbH3
HCl + Mg → MgHCl
HCl + Mg → H2 + Mg2Cl
HCl + Mg + Na2SO3 → H2O + NaCl + H2S + MgSO4
HCl + Mg → H2 + MgCl2
HCl + Mg + Na2SO3 → H2O + NaCl + H2S + MgCl2
HCl + Mg + TiOCl2 → H2O + MgCl2 + TiCl3
H2SO4 + HCl + Mg → H2O + H2S + MgCl2
HCl + Mg + Na3AsO3 → H2O + NaCl + MgCl2 + AsH3

Alexander Stephenson

Candidate of Chemical Sciences, editor-in-chief of Guide-scientific.com. Lecturer at several international online schools, member of the jury of chemistry competitions and author of scientific articles.

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