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In the gravimetric determination of barium as BaCrO4, what weight of sample must be taken so that the weight of the precipitate...Asked by vivian
in the gravimetric determination of barium in BaCrO4, what weight of sample must be taken so that the weight of the precipitate in milligrams multiplied by 100 will equal the % Ba in the sample?
Answers
Answered by
DrBob222
[mass BaCrO4 ppt x (atomic mass Ba/molar mass BaCrO4)/mass sample)]*100 = %Ba
For mass BaCrO4 substitute the following:
(mg BaSO4 x 100/1000) into the top equation and solve for mass sample.
Post your work if you get stuck.
For mass BaCrO4 substitute the following:
(mg BaSO4 x 100/1000) into the top equation and solve for mass sample.
Post your work if you get stuck.
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