Really need help with this chemistry problem!?

J

july

New member
Hi everyone, I am having a lot of difficulty solving this problem:

Excess fluorine (F2(g)) reacts at 150°C with bromine (Br2(g)) to give a compound BrFn. If 423 mL Br2(g) at 150°C and 748 mmHg produced 4.20 g BrFn, what is n? What is the molecular geometry of this compound BrFn?


Any and all help will be greatly appreciated! Please help me learn how to do this problem step by step
 
I solved this problem earlier.. here...
http://answers.yahoo.com/question/index;_ylt=AghVBT0YML1t7EmenmAF.q3ty6IX;_ylv=3?qid=20091211072235AA9uwc3&show=7#profile-info-r4ty9Xjvaa
 
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