Balancing Chemical Equations Video Lessons

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Concept: Balancing Chemical Reactions

Problem: What is the balanced equation for the reaction between acetic acid and NaOH?

FREE Expert Solution

Before balancing the chemical reaction, let’s first write the chemical formula of each of the compounds involved in the reaction.


Reactants:

Acetic Acid

• Acetic acid is made up of H+ ion and CH3COO- ion

When ions combine, their charges or oxidation numbers crisscross to become subscripts

          • H+ will have a subscript of 1 from CH3COO- → H

          • CH3COO- will have a subscript of 1 from H+ → CH3COO

          • Subscript 1 is no longer indicated → HCH3COO(aq)


Sodium Hydroxide

• Sodium is metal Na. It forms ionic bond as Na+

• Hydroxide contains H (‘hydro’) and O (‘oxide) → OH-

When ions combine, their charges or oxidation numbers crisscross to become subscripts

          • Na+ will have a subscript of 1 from OH- → Na

          • OH- will have a subscript of 1 from Na+ → OH

          • Subscript 1 is no longer indicated → NaOH

Recall: Na is from group 1A. Group 1A salts are soluble.


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Problem Details

What is the balanced equation for the reaction between acetic acid and NaOH?

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