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April 25, 2015

Homework Help: science

Posted by jamie on Sunday, February 14, 2010 at 2:37pm.

3. Hydrobromic acid dissolves solid iron according to the following reaction:

Fe(s) + 2HBr(aq) ---> FeBr2(aq) + H2(g)

What mass of HBr (in g) would you need to dissolve a 3.2 gram pure iron bar on a padlock?



What mass of H2 would be produced by the complete reaction of the iron bar?

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