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Posted by on Thursday, September 30, 2010 at 8:56pm.

Hello, I am looking just for someone to tell me how I go about doing this problem, ie. the formula that i would need to know for it. I would really like to figure it out on my own but I'm not sure how to.

The mass ratio of Kr to F in a particular compound is 2.206:1. How many grams of krypton are present if the compound contains 57.8 grams of F?

  • Chemistry - , Thursday, September 30, 2010 at 11:27pm

    (Kr/F) = (2.206/1) = (x grams Kr/57.8 g F)
    Solve for x grams Kr.

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