Neatralisation? Calcium carbonate v Sodium Hydroxide?

January 7th, 2009
  • Why would Calcium carbonate be a better option?

    Note: Neautralisation in a lake <


  • weird because calcium carbonate and acid isn't really a neutralisation reaction.but i guess for your question calcium carbonate is a better option because one mole of calcium carbonate can neutralise two moles of acid while one mole of sodium hydroxide can only neutralise one mole of acid?


  • Because calcium will most likely form insoluble products (calcium sulfate, for example, is insoluble), and this will not contaminate the water to any great degree. Also, a high level of sodium is undesirable. Finally, calcium carbonate is insoluble, so it will act slowly and not pose a great danger to the life in the lake; any unreacted carbonate will remain solid, not affecting lake life. Sodium hydroxide is very caustic and will damage or kill lake organisms before having reacted fully.







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