This preview shows page 1. Sign up to view the full content.
Unformatted text preview: -3 moles XBr 2 XBr 2 mw is 0.5000/2.715 x10-3 = 184.16g/mol X is Mg 2) Adapted from Exam 1, Fall 2005 What if I want to make 130 grams of iodine pentafluoride and I know the reaction proceeds with a 83% yield. How many grams of iodine and fluorine should I start with? 130g actual yield => 156g theoretical yield=> 0.706 moles iodine pentafluoride => 1.76 moles fluorine and 0.353 moles iodine => 66.9g fluorine and 89.6g iodine...
View Full Document
- Fall '08