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posted by Jamie on Thursday, November 4, 2010 at 10:27pm.
7.72 g of CuBr2 contains how many bromide (Br-) ions?
7.72g/molar mass CuBr2 = moles CuBr2. There are 6.922E23 molecules in 1 mole. There are two Br ions per molecule.
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