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Which of the following solutions represent a buffer system? Select all that apply.
H2CO3 and HCO3-
HNO2 and NaNO2
HClO4 and NaClO4

  • chem -

    A buffer is made by using a mixture of a weak acid and its conjugate or a weak base and it's cnjugate OR a mixture that will produce such.
    A yes
    B ?
    C no
    D no
    E ?
    The ? are left for you.

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