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A mixture of MnBr2 and inert material is analyzed to determine the Mn content. First the mixture is dissolved in water. Then all of the

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A mixture of MnBr2 and inert material is analyzed to determine the Mn content. First the mixture is dissolved in water. Then all of the bromide ion is precipitated as AgBr by the addition of an excess of silver nitrate. MnBr2(aq)+2AgNO3(aq)2AgBr(s)+Mn(NO3)2(aq) In one experiment, a 0.5219g sample of the mixture resulted in 0.7049g of AgBr. Determine the percent (by mass) of Mn in the mixture. %Mn

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