Asked by Jamie
                7.72 g of CuBr2 contains how many bromide (Br-) ions? 
            
            
        Answers
                    Answered by
            DrBob222
            
    7.72g/molar mass CuBr2 = moles CuBr2.
There are 6.922E23 molecules in 1 mole.
There are two Br ions per molecule.
    
There are 6.922E23 molecules in 1 mole.
There are two Br ions per molecule.
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