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Calculation of mass and moles

Questions (2)

What mass of HBr (in g) would you need to dissolve a 3.7 −g pure iron bar on a padlock?
1. 4 answers
2. asked by just need help
3. 4,291 views
I am still not quite grasping how to complete this problem:Posted by K on Sunday, October 14, 2007 at 6:43pm. Many home
1. 5 answers
2. asked by K
3. 637 views