Posted by hannah on Sunday, March 27, 2011 at 8:49pm.
Actually the correct answer is not listed. I would expect BrCl2 to be a covalent compound; therefore, it would not consist of ions. It's polar covalent, to be sure, but surely not ionic. However, I think the answer is a).
0.15M XY2 (if ionic) would consist of 0.15 M X^+ ions (there is 1 X^+ ion per molecule of XY2 and 1*0.15 = 0.15) and 0.30 M Y (there are two Y^- ions per molecule of XY2 and 2*0.15 = 0.30).
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