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129. Aluminum reacts with bromine, producing aluminum bromide: 2Al(s)+3Br2(l)2AlBr3(s) In a certain experiment, 20.0mL of bromine ( density =3.10g/mL) was reacted with excess aluminum to

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129. Aluminum reacts with bromine, producing aluminum bromide: 2Al(s)+3Br2(l)2AlBr3(s) In a certain experiment, 20.0mL of bromine ( density =3.10g/mL) was reacted with excess aluminum to yield 50.3g of aluminum bromide. What is the percent yield for this experiment

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