Question
Asked Jan 9, 2020
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 When calculating [H3O +] for weak acid solutions, we can often use the  x is small  approximation. Explain the nature of this approximation and why it is valid. 

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Expert Answer

Nature of approximation and its validity:

The smaller value of the equilibrium constant of the weak acid signifies that the chemical reaction of weak acid would not proceed further and that the amount of reactant converted to the product would also be less.

  • Since the amount of ...

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ScienceChemistry

Physical Chemistry

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