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chemistry

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: what is the Ka of butanoic acid whose pka is4.82?
show workkkk please

  • chemistry -

    pH = -log(H^+) and
    pOH = -log(OH^-).
    Likewise,
    pKa = -log(Ka), so
    4.82 = -log Ka
    log Ka = -4.82
    Ka = 1.51E-5

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