February 21, 2017

Homework Help: Chemical Formula

Posted by Moi on Sunday, October 17, 2010 at 9:04pm.

How would you write the chemical formula for Mercury(I) nitrate.

I have Hg(NO3)2 since the charge of nitrate is -1 and Mercury's is 1.

However, upon checking online i found that the correct formula is Hg2(No3)2.

Given that the charge for mercury in this case is 1 and nitrate is -1 then where do the subscripts "2" come from?

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