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April 19, 2014

Homework Help: chem help please

Posted by janice on Saturday, April 4, 2009 at 8:06pm.

If 720 mL of 0.0165 M aqueous Al3+ and 300 mL of 0.0567 M aqueous Ca2+ are reacted, how many mol of Br- is produced?

Al2(SO4)3(aq) + 3 CaBr2(aq) → 2 AlBr3(aq) + 3 CaSO4(s)

my answer was .03564 mol of Br will be produced but the real answer is .0340 mol...i do not know what i did incorrectly

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