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Recent content by Fareez

  1. Fareez

    Chemistry: Post your doubts here!

    Problem 1: A saturated aqueous solution of magnesium methanoate, Mg(HCOO)2, has a solubility of approximately 150 g dm-3 at room temperature. Its exact solubility can be determined by titrating magnesium methanote against aqueous potassium manganate (VII). During the titration, the methanoate...
  2. Fareez

    Chemistry: Post your doubts here!

    Hi again in the data booklet states MnO4- + e --> MnO4 2- MnO4- + 4H +3e --> MnO2 +2H20 Mn04- +8H +5e -->mn 2+ +4h20 What are the difference between all 3 reactions And when do we use it in equation?
  3. Fareez

    Chemistry: Post your doubts here!

    Hi. I just want to ask. In the data booklet there's so many standard electrode potential equation specifically for Mn04-. So which one should I use?
  4. Fareez

    Mathematics: Post your doubts here!

    Thanks . I thought it had something to do with special angle since 1/6π is 30° Thank you so much
  5. Fareez

    Mathematics: Post your doubts here!

    Can you explain why √3/3 I'm stuck on that part
  6. Fareez

    Mathematics: Post your doubts here!

    Hey I have a problem for p1 maths 9709 may/june 2007 Question 5i) I dont understand why √3/3= AX/12
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