Homework Help: chemistry

Posted by katie on Wednesday, May 7, 2008 at 9:29pm.

predict the pH of an aqueous solution that is 0.00378 molar in HBr

chemistry - DrBob222, Wednesday, May 7, 2008 at 9:34pm
HBr is a strong acid; therefore, it ionizes 100%. pH = -log(H^+).
- chemistry - katie, Wednesday, May 7, 2008 at 10:54pm
  how do i do this one
chemistry - katie, Wednesday, May 7, 2008 at 10:43pm
can we go over this one?
chemistry - DrBob222, Wednesday, May 7, 2008 at 10:54pm
HBr is one of the strong acids. A strong acid ionizes 100%. Therefore, the H^+ concentration is the same as the HBr concentration. You are given the HBr concn, plug that into the equation, and out pops the pH. I shall be happy to check your answer.
- chemistry - katie, Wednesday, May 7, 2008 at 10:55pm
  so am i just going like this?......
  -log(0.00378)=2.422??
  - chemistry - DrBob222, Wednesday, May 7, 2008 at 10:57pm
    Very good.
  - chemistry - ellie, Monday, June 23, 2008 at 1:31pm
    yh you are doing grt

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