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March 1, 2015

Homework Help: Chemistry Help

Posted by Kelly on Tuesday, October 5, 2010 at 12:29am.

I have tried usingg the molecular formula, formulas in the text book but my answers dosent match any of the multiple choice answers, can someone help?

For each of the reactions shown, calculate the mass (in grams) of the product formed when 10.7 g of the underlined reactant completely reacts. Assume that there is more than enough of the other reactant.

2K(s)+Cl_2(g) ->2K Cl(s)

2K(s)+ Br_2(l) -> 2KBr(s)

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