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Posted by on Wednesday, January 6, 2010 at 6:42pm.

i need help with this question. any help would be appreciated.

1) What concentration Of H^+(aq) corresponds to each of the following:(a)pH=3.33,(b)pOH=3.33,(c) pH=6.78,(d)pOH=11.11?

  • chemistry - , Wednesday, January 6, 2010 at 8:23pm

    a. pH = 3.33
    pH = -log(H^+)
    3.33 = -log(H^+)
    -3.33 = log(H^+)
    antilog -3.33 = antilog log(H^+) or
    antilog -3.33 = (H^+).
    To find the antilog -3.33, punch in -3.33 on your calculator then push the !0x button. Up will come
    4.677 x 10^-4 or 0.0004677

    For questions involving pOH, just remember pH + pOH = 14.

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