Homework Help: Chemistry

Posted by Abram on Tuesday, December 4, 2012 at 8:31pm.

How do I solve the following:

500ml .4M aluminum nitrate solution contains ______moles of aluminum ions and _______moles of nitrate ions.

I am helping my fiance and we don't know how to calculate this.

Chemistry - DrBob222, Tuesday, December 4, 2012 at 9:20pm
mols = M x L = 0.4M x 0.500L = 0.2mols Al(NO3)3 is what you have.

So you have 0.2 mols Al and 3 x 0.2 = 0.6 mols NO3^-

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