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How many atoms of oxygen are present in 300 grams of calcium

  1. Jun 8, 2016 #1
    1. The problem statement, all variables and given/known data
    How many atoms of oxygen are present in 300 grams of calcium carbonate?

    molar mass of CaCO3 = 100g


    2. Relevant equations



    3. The attempt at a solution
    I don't know how to proceed.
    Can anyone please help me out by giving the forulae or steps on how to do this problem.
     
  2. jcsd
  3. Jun 8, 2016 #2

    SteamKing

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    Have you studied the concept of the mole in chemistry?

    http://www.bbc.co.uk/education/guides/zysk7ty/revision/1
     
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