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Homework buffer help

Solution A was made by mixing together 25cm3 0.010moldm aqueous NaOH with 50cm3 0.010moldm ethanoic acid. Solution A is a buffer.
Solution B was made by mixing together 25cm3 0.020moldm aqueous NaOH with 50cm3 0.010moldm ethanoic acid. Solution B is not a buffer.
Please help, it will be much appreciated.
Original post by Pepper111
Solution A was made by mixing together 25cm3 0.010moldm aqueous NaOH with 50cm3 0.010moldm ethanoic acid. Solution A is a buffer.
Solution B was made by mixing together 25cm3 0.020moldm aqueous NaOH with 50cm3 0.010moldm ethanoic acid. Solution B is not a buffer.
Please help, it will be much appreciated.


Use the moles of each reacting to determine the products in each case (including unreacted reactants) ...

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