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Question

What's the balanced equation for magnesium and hydrochloric acid?


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Solution

Balanced chemical equation:

  • “A balanced chemical equation is that in which the number of atoms of all elements on both the sides of the equation is equal.”
  • It is based on the law of conservation of mass.

Balanced equation for magnesium and hydrochloric acid:

Step 1: Write the reaction in equation form.

  • The reaction between Magnesium (Mg) and Hydrochloric acid (HCl) is given as:

Mgs+HClaqMgCl2aq+H2g

Step 2: Count the number of atoms of each element on both sides

ElementReactant sideProduct side
Mg11
H12
Cl12

Step 3: Put 2 before HCl to balance the number of H and Cl atoms on both the sides

  • Now, the equation becomes

Mgs+2HClaqMgCl2aq+H2g ,This is the balanced equation for magnesium and hydrochloric acid.


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