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April 20, 2014

Homework Help: Chemistry

Posted by S-rth on Tuesday, September 27, 2011 at 8:32pm.

An unknown element reacts with bromine to give bromide, MBr3. If 2.809g of the unknown element gives 27.765grams of MBr3, what is the element? ( give the symbol )


I dont understand the M in the MBr3...can someoen please help me with this question ASAP

thanks a lot

- i know this question was posted earlier but i did not understand something and bob did not reply to my question ( no prob , i understand you guys are busy but i really need help with this question, its worth a lot and im freaking out for the test tomm )

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