What are the major species present in 0.250 M solutions of each of the following acids? Calculate the pH of each of these solutions.?

a) HCl

b) HBr

c) HClO4

d) HNO3

1 Answer

  • 1 month ago
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    a) HCl → H{+} + Cl{-}

    b) HBr → H{+} + Br{-}

    c) HClO4 → H{+} + ClO4{-}

    d) HNO3 → H{+} + NO3{-}

    All four of these acids are strong, so the concentration of H{+} ions is the same as the concentration of the acid, so in all four cases the pH is:

    - log 0.250 = 0.60

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