Results 1 to 2 of 2

Math Help - oxidation

  1. #1
    Member
    Joined
    Dec 2007
    Posts
    76

    oxidation

    Determine the oxidation number of the specified element.
    Cr in CrO4 ^2-
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Member Nacho's Avatar
    Joined
    Mar 2008
    From
    Santiago, Chile
    Posts
    135
    Quote Originally Posted by johett View Post
    Determine the oxidation number of the specified element.
    Cr in CrO4 ^2-
    well this is not math xD

    but I know the answer, I think that you mean:

    <br />
CrO_4^{ - 2} <br />

    to answer this problem you must know that, the oxidation number of oxigen y -2, then we have this equation:

    <br />
Cr + 4 \cdot  - 2 =  - 2 \Leftrightarrow \boxed{Cr = 6}<br />
    Last edited by Nacho; March 13th 2008 at 11:58 AM. Reason: I read bad the question
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Replies: 4
    Last Post: October 18th 2010, 11:32 AM

Search Tags


/mathhelpforum @mathhelpforum