A 500 mg sample contains FeCl3 and MgCl2. Ammonia was added to the sample to precipitate the chlorides. The filtrated sample was then heated to form 235.59 mg of oxide. Determine the % Fe in the sample if it contains 5 mg of inert matter.

Q: A 10.4 g sample of a mixture of NaCl and BaCl2 is treated with an excess of aqueous K2SO4. All of…

A: The mass of the mixture of NaCl and BaCl2 is = 10.4 g The mass of precipitates is = 5.82 g Percent…

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Q: Sulfate samples are to be analyzed by BaSO4 (233.38 g/mol) precipitation. It was known that the SO4…

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Q: A solution contains one or more of the following ions: Ag+, Ca2+, and Co2+. Lithium bromide is added…

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Q: solution containing 126.23 g of silver chlorate is allowed to react completely with a solution…

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Q: The magnesium content of a 100 ml sample of mineral water is analyzed. The Mg2+ in the sample…

A: PART-(a)•So finally according to question Mg+2 present as Mg2P2O7. •1 mole of Mg2P2O7  has 2 mole of…

Q: A 500 mg sample contains FeCl3 and MgCl2. Ammonia was added to the sample to precipitate the…

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Q: A mixture consisting of only sodium chloride (NaCl) and potassium chloride (KCl) weighs 1.0000 g.…

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Q: Calcium in river water samples can be precipitated out as Ca10(PO4)6(OH)2 (1,004.6 g/mol). The…

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Q: 1.000 g sample of an aluminum is dissolved and the sulfate precipitated as BaSO4. The precipitate…

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Q: A student weighs out a 3.22 g sample of K2SO4 , transfers it to a 100. mL volumetric flask, adds…

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Q: A student was given a 3.708-g sample of a mixture of potassium nitrate and potassium bromide and was…

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Q: A 110.520 g sample of mineral water is analyzed for its magnesium content. The Mg+ in the sample is…

A: ppm refers to parts per million which is a unit to express the concentration. It can be expressed as…

Q: In the laboratory you are given the task of separating Ba2+ and Co2* ions in aqueous solution. For…

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Q: mixture contains Mg(NO₃)₂ and KBr. A 1.85 g sample of this mixture is dissolved in water and an…

A: Given: Weight of sample containing  Mg(NO₃)₂ and KBr =1.85 g The mass of the precipitate = 0.475 g…

Q: 5. A 0.331 g sample of aspirin prepared in the laboratory was dissolved in 95% ethanol and titrated…

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Q: 12.) A 2.00g sample of limestone was dissolved in hydrochloric acid and all the calcium present in…

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Q: A student weighs out a 2.41 g sample of FeCl2,transfers it to a 100.mL volumetric flask,adds enough…

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Q: Write the balanced equation for the reaction that occurs: x x. He MgSO (aq) + BaCl, (aq)→ | Write…

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Q: A mixture of MgCl, and inert material is analyzed to determine the Mg content. First the mixture is…

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Q: A student weighs out a 5.01 g sample of FeCl2, transfers it to a 250. mL volumetric flask, adds…

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Q: CrCl3(s) + AgNO3 (aq)  AgCl(s) + Cr(NO3)3(aq) A 0.810 g sample of impure CrCl3 was dissolved in…

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Q: A sample contains MgCl2 (95.211 g/mol) and KCl (74.551 g/mol). A 6.6933-g sample was dissolved in…

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Q: A (aq) + ....B(aq) Č(s)+ D (aq) Experimental Volume of B/ mL Mass of Run precipitate/g 1 1.2 5.40 2…

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Q: 1. To determine the potassium content of a sample, 1.275 g of the sample was dissolved in water and…

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Q: A 21.25 g of a mixture of the solid salts, sodium chloride and lead II nitrate, is added to…

A: Given that - Mass of precipitation formed of PbCl2 = 11.06 g Mass of mixture, NaCl + Pb(NO3)2 =…

Q: Barium can be analyzed by precipitating it as BaSO4BaSO4 and weighing the precipitate. When a  0.265…

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Q: Lead ions can be precipitated from solution with KCI according to the following reaction: Pb (ag) +…

A: Given data mass of KCl = 28.7 g mass of Pb2+ = 25.8 g Reaction : Pb2+ + 2 KCl → PbCl2 + 2 K+…

Q: A solution contains one or more of the following ions: Ag+, Ca2+, and Co2+. Lithium bromide is added…

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Q: A mixture contains Mg(NO3)2 and KBr. A 1.85 g sample of this mixture is dissolved in water and an…

A: