Sodium bicarbonate and Acid Neutralization time

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SUMMARY

The reaction between sodium bicarbonate (baking soda) and hydrochloric acid is a double displacement reaction that produces sodium chloride, water, and carbon dioxide. This reaction can be considered nearly instantaneous for practical purposes, as the limiting factor is the mixing speed rather than the reaction time itself. In emergency situations, using baking soda can effectively neutralize acid spills on skin, potentially preventing damage if applied quickly. However, it is not a standard component of most First Aid kits.

PREREQUISITES
  • Understanding of chemical reactions, specifically double displacement reactions.
  • Knowledge of the properties and uses of sodium bicarbonate.
  • Familiarity with acid-base neutralization concepts.
  • Basic first aid principles related to chemical exposure.
NEXT STEPS
  • Research the specific chemical properties of sodium bicarbonate and its applications in neutralizing acids.
  • Learn about the safety protocols for handling hydrochloric acid and other corrosive substances.
  • Explore the formulation and contents of standard First Aid kits, including recommended neutralizing agents.
  • Investigate the kinetics of acid-base reactions to understand factors affecting reaction rates.
USEFUL FOR

This discussion is beneficial for chemists, emergency responders, first aid trainers, and anyone involved in safety protocols for handling corrosive substances.

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If let's say a person accidentally has acid spilled in his hands, if he sprays or reaches for baking soda (or sodium bicarbonate) to neutralize the acd, how fast is the reaction? is it enough to avoid any skin damage? Are these part of any First Aid kit? Just curious about this.

I read:

"The reaction between baking soda, also known as sodium bicarbonate, and hydrochloric acid is a double displacement reaction. The reactants combine to form sodium chloride, water and carbon dioxide. The carbon dioxide forms bubbles that cause the mixture to overflow a flask if too much baking soda is added at once. Eventually, as more baking soda mixes with the acid, the bubbles stop forming as the acid reaches the neutral state and is no longer able to provide the hydrogen molecules needed to break down the sodium bicarbonate."
 
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You can think of the neutralization reaction as if it was instant - no reaction really is, but when they take microseconds they for most practical purposes can be treated this way.

The limiting factor here is the mixing speed, not the reaction itself.
 

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