O A mixture consisting of only chromium(III) bromide (CrBr3) and aluminum bromide (AlBr3) weighs 1.1218 g. When the mixture is dissolved in water and an excess of silver nitrate is added, all the bromide ions associated with the original mixture are precipitated as insoluble silver bromide (AgBr). The mass of the silver bromide is found to be 2.2708 g. Calculate the mass percentages of chromium(III) bromide and aluminum bromide in the original mixture. Mass percent CrBr3 = Mass percent AlBr3: = % %
O A mixture consisting of only chromium(III) bromide (CrBr3) and aluminum bromide (AlBr3) weighs 1.1218 g. When the mixture is dissolved in water and an excess of silver nitrate is added, all the bromide ions associated with the original mixture are precipitated as insoluble silver bromide (AgBr). The mass of the silver bromide is found to be 2.2708 g. Calculate the mass percentages of chromium(III) bromide and aluminum bromide in the original mixture. Mass percent CrBr3 = Mass percent AlBr3: = % %
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Chapter4: Chemical Reactions
Section: Chapter Questions
Problem 4.84QP: A soluble iodide was dissolved in water. Then an excess of silver nitrate, AgNO3, was added to...
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Transcribed Image Text:A mixture consisting of only chromium(III) bromide (CrBr3) and aluminum bromide (AlBr3)
weighs 1.1218 g. When the mixture is dissolved in water and an excess of silver nitrate is added,
all the bromide ions associated with the original mixture are precipitated as insoluble silver
bromide (AgBr). The mass of the silver bromide is found to be 2.2708 g. Calculate the mass
percentages of chromium(III) bromide and aluminum bromide in the original mixture.
Mass percent CrBr3
Mass percent AlBr3
=
%
%
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