Saturday
December 20, 2014

Homework Help: Chemistry

Posted by Peter on Sunday, April 19, 2009 at 5:21pm.

What would the two half reactions be for 2Na+1MgBr2 arrow 2NaBr + Mg? I don't know how to determine this, other than that you separate the elements for the two half reactions. My other question is that when you're translating words and you have an element with Roman numerals such as Lead II, would it be Pb^2 or Pb2 (as a subscript?) Thanks for clearing this up.

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