Calculate the number of ml of solution which contains 32g Bacl2 (MW=208.25g/mol) / Liter which will be required to precipitate the sulfur as BaSO4 (MW=233.40 g/mol) in 0.75 sample that contains 10% S.

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Calculate the number of ml of solution which contains 32g Bacl2 (MW=208.25g/mol) / Liter which will be required to precipitate the sulfur as BaSO4 (MW=233.40 g/mol) in 0.75 sample that contains 10% S.


Calculate the number of mL of solution which contains 32g BaCl2 (MW=208.25g/mol)/Liter
which will be required to precipitate the sulfur as BaSO4 (MW=233.40 g/mol) in 0.75g sample
that contains 10% S.
Calculate the number of mL of ammonia NH3 (Density 0.99 g/mL) 2.3% by mass NH3 which will
be required to precipitate the iron as Fe(OH)3 in a 0.65 g sample that contains 22% FeO (MW=
71.85 g/mol).
3 NH3+ Fe*3+ 3 H20 ---> Fe(OH)3+3 NH4
A 2.5 g sample of an aluminum is dissolved and the sulfate precipitated as BaSO4 (MW= 233.4
g/mol) The precipitate weighed 0.5432g after it was washed and ignited. Assuming all the sulfate
and aluminum in the sample were in the form of K2AI2(SO4)3 * 24 H20 (MW= 852.78 g/mol)
Calculate the percentage of Al203 (MW=101.96 g/mol) in the sample.
Transcribed Image Text:Calculate the number of mL of solution which contains 32g BaCl2 (MW=208.25g/mol)/Liter which will be required to precipitate the sulfur as BaSO4 (MW=233.40 g/mol) in 0.75g sample that contains 10% S. Calculate the number of mL of ammonia NH3 (Density 0.99 g/mL) 2.3% by mass NH3 which will be required to precipitate the iron as Fe(OH)3 in a 0.65 g sample that contains 22% FeO (MW= 71.85 g/mol). 3 NH3+ Fe*3+ 3 H20 ---> Fe(OH)3+3 NH4 A 2.5 g sample of an aluminum is dissolved and the sulfate precipitated as BaSO4 (MW= 233.4 g/mol) The precipitate weighed 0.5432g after it was washed and ignited. Assuming all the sulfate and aluminum in the sample were in the form of K2AI2(SO4)3 * 24 H20 (MW= 852.78 g/mol) Calculate the percentage of Al203 (MW=101.96 g/mol) in the sample.
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