A series of sulfate sample is to be analyzed by precipitation as BaSO4. If it is known that the sulfate content in these sample ranges between 20% and 55%, what minimum sample mass should be taken to ensure that a precipitate mass no smaller than 0.200 g is produced?

Q: Solid magnesium sulfite is slowly added to 175 mL of a 0.476 M potassium hydroxide solution until…

A: When MgSO3 is added to KOH solution, Mg(OH)2 is formed. The balanced equation is   Mg+2 (aq) + 2 OH–…

Q: A solution contains 1.41×102 M silver acetate and 5.67x10-3 M calcium nitrate. Solid ammonium…

A:

Q: 135.0mL of 0.500M Al(NO3)3 is reacted with 50.0mL of 5.65M CuCO3 as shown below. What is the maximum…

A: Answer:- This question is answered by using the simple concept of stoichiometry which involves the…

Q: A 50.0 mL sample of 0.0152 M Na2SO4 (aq) is added to 50.0 mL 0.0125 M Ca(NO3)2 (aq). What percentage…

A:

Q: If a solution contains 0.0020 mol of CrO42−CrO42− per liter, what concentration of Ag+ ion must be…

A: As the value of Ksp for AgCrO4 is not given, so the reference taken from internet, therefore; the…

Q: A solution contains 6.79x103 M magnesium nitrate and 1.30×102 M barium acetate. Solid potassium…

A:

Q: Solid potassium sulfite is slowly added to 175 mL of a 0.0344 M barium nitrate solution. The…

A: Solubility product of (Barium sufite) BaSO3    (Ksp) =8×10–7 BaSO3 (s)⇌ Ba2+(aq).      +…

Q: Sodium hydroxide is a commonly used base in neutralization titrations. It is a normal procedure to…

A: Primary standards are reagents that are used for determining the concentration of the unknown. A…

Q: 2. A student analyzes a sample using the preliminary tests and finds that no precipitate is obtained…

A:

Q: An aqueous solution of silver acetate, AgC2H3O2, 50.0 mL and 0.300 M, is mixed with 25.00 mL of…

A: Chemical reaction equations give the ideal stoichiometric relationship among reactants and products.…

Q: 1. A 10.0 mL graduated cylinder to measure 10.0 mL of a 1.00 M CaCl2 solution into an initially…

A: The balanced chemical equation has to be written,

Q: When sodium chloride (NaCl) is added to a saturated aqueous solution of silver nitrate (AgNO3), what…

A: When sodium chloride (NaCl) is added to a saturated aqueous solution of silver nitrate (AgNO3), AgCl…

Q: How does a supersaturated precipitating agent affect precipitation?

A: Precipitation reactions are the reactions in which an insoluble salt is formed by the combination of…

Q: A solution contains 0.0250 M Pb2+(aq) and 0.0250 M Sr2+. If you add SO2−4(aq), what will be the…

A: The solubility of the solution is the maximum amount of solute that can be dissolved in a particular…

Q: A compound was found to be soluble in water. It was also found that addition of acid to an aqueous…

A: Compound insoluble in water would make precipitate. Carbonate ion reacts with acid to produce carbon…

Q: What mass of NaCl is needed to precipitate all the silver ions from 20.0 mL of 0.100 M AgNO3…

A: We know the reaction,  Ag+ + Cl- ---------> AgCl  AgCl is precipitated product.  One mole of Ag+…

Q: Write the formulas for the precipitate when an excess of NH4OH is mix with thioacetamide and a…

A: The cations, such as Fe2+, Cr3+, Mn2+, and Zn2+, precipitate as sulfide and hydroxide when excess…

Q: You have reached copper chloride solution with Zn metal to precipitate out all the Cu in its…

A: Zn is more reactive metal then Copper.

Q: A series of sulfate samples is to be analyzed by precipitation as BaSO4. If it is known that the…

A: When cations and anions in an aqueous solution react, precipitation reactions happen to produce an…

Q: Suppose that 150 mL of 0.200 M K2CO3 and 100 mL of 0.400 M Ca(NO3)2 are mixed together. Assume that…

A: The chemical reaction for the formation of CaCO3 is- Ca2+(aq) + CO32-(aq) →CaCO3 (s)  Step 1 -…

Q: Determine the precipitate in the following reaction: Na2SO4 + Pb(NO3)2 PbSO4 + 2NANO3 O NazSO4 O…

A: A precipitation reaction refers to the formation of an insoluble salt when two solutions containing…

Q: What is the precipitate upon mixing lead(II) nitrate and potassium iodide? O KNO: KI Pbla O none…

A:

Q: A student weighs 0.583 g Baclz-2H20 and 0.637 g CuSO:-5H20, and dissolves each in water to a final…

A: Given A reaction between BaCl2.2H2O and CuSO4.5H2O, whose theoretical yield is to be determined.

Q: Suggest a reason why it is desirable to use an excess of barium ion in the precipitation.

A: There is am advantage of adding a access amounts of barium ions in the precipitation

Q: A solution contains 1.05x102 M zinc acetate and 1.04×10 M nickel(II) nitrate. Solid sodium cyanide…

A:

Q: Three solutions are mixed together to form a single solution, in the final solution, there are 0.2…

A: The reaction between lead acetate and sodium sulfide is as follows:

Q: Solid sodium sulfide is slowly added to 125 mL of a 0.0536 M iron(II) acetate solution. The…

A: The question is based on the concept of solubility product Principle.   it states that a weak…

Q: A 0.7209-g solid mixture containing MgCl2 is dissolved in water and treated with an excess of AgNO3,…

A: Given : Mass of MgCl2 sample = 0.7209 g And mass of AgCl = 1.032 g Molar mass of AgCl = Atomic mass…

Q: What mass of precipitate will form if 1.50 L of highly concentrated Pb(ClO3)2 is mixed with 0.0850 L…

A: Reaction: Pb(ClO3)2 + 2NaI -----> PbI2 + 2 NaClO3 Pb(ClO3)2 = 1.5 L NaI = 0.0850 L NaI = 0.240 M…

Q: You mix aqueous solutions of 100.0 mL 1.70 M NaCl and 75.0 mL 1.20 M Pb(NO3)2, calculate the mass of…

A:

Q: 1.4 Orthophosphate (PO) is determined by weighing as ammonium phosphomolybdate, (NH4)PO4.12MoO3.…

A:

Q: Solid lead(II) cyanide is slowly added to 125 mL of a 0.442 M potassium fluoride solution until the…

A: Lead ions added as lead cyanide react with fluoride ions present in the solution of potassium…

Q: What is the type of precipitation when determining the chloride ion and why? And what type of…

A: Precipitation: It is a method of converting a chemical compound into a solid form from the liquid…

Q: When Na2CrO4(aq) and AGNO3(aq) are mixed, a red colored precipitate forms which is OAgCro4 ONANO3.…

A: The reactants given are 1) AgNO3 (aq) 2) Na2CrO4 (aq)

Q: If 30.0 mL of 0.150 M CaCl2 is added to 31.5 mL of 0.100 M AgNO3, what is the mass of the AgCl…

A:

Q: The chloride ion content of a 250.0-mL seawater sample was titrated against 0.1102 M silver nitrate,…

A: The Chloride ions from the seawater are titrated against silver nitrate and the objective of the…

Q: 1. Baking soda contains sodium bicarbonate (NaHCO3) which creates carbonate in solution. Write the…

A: Formula of Baking soda is NaHCO3 Formula of calcium chloride is CaCl2 Addition of Baking soda and…

Q: Explain the precipitation group fifth metal ion in the form of carbonates

A: Carbonate is the salt of anion CO32- formed by reaction of carbon dioxide with base. Precipitation…

Q: You mix 275.0 mL of 1.20 M Pb(NO3)2 with 300.0 mL of 1.85 M KI. Calculate the mass of precipitate.

A: Given data : Concentration of Pb(NO3)2 = 1.20 M Volume of Pb(NO3)2 = 275 mL Concentration of KI =…

Q: You are given a 1.50-g mixture of sodium nitrate and sodium chloride. You dissolve this mixture into…

A: a. The reaction of silver nitrate with sodium nitrate and sodium chloride is precipitation reaction…

Q: We have 4 test tubes filled with aqueous solution, one of which is definitely yellow. Use the…

A: A question based on qualitative analysis that is to be accomplished.

Q: 6. The K, for the salt FeCO, is 3.07 x 10. A student mixes 500. mL of 8.2 x 10 M Fe(NO,), with 500.…

A: Since the salt FeCO3 is insoluble in water. Hence the solubility reaction of FeCO3 is  => FeCO3…

Q: What is the maximum mass (in grams) of each of the following soluble salts that can be added to 310…

A: First we have to find the moles of BaCl2 then write the equation to find the mooea of respective…

Q: CaCin The calcium carbonate sample is heated in the oven for 30 minutes, cooled, and then weighed.…

A: The calcium carbonate (CaCO3) sample is heated in the oven for 30 minutes, cooled, and then weighed,…

Q: 3) When excess sliver nitrate was added to 25.00 ml of barium chloride, a precipitate of sliver…

A: Here excess of AgNO3 was added to 25 ml of BaCl2 solution in order to precipitate all Cl^- to AgCl.…

Q: Solid lead nitrate is slowly added to 125 mL of a 0.0441 M potassium sulfide solution. The…

A: Volume of potassium sulfide = 125 mL  Molarity = 0.0441 M  Ksp for PbS = 3.2 × 10-28  Concentration…

Q: Explain briefly why silver nitrate is an important reagent used in precipitation titrations.

A: The titrant reacts with the analyte which forms an insoluble material and the titration continues…

Q: Three aqueous solutions are mixed, 1.0 M (NH4)2SO4, 1.0 M Sr(OH)2 and 1.0 M CoCl3. The two…

A: Solubility - it is the tendency of any ion / compound to solubilize in a particular solvent .…

Q: three solutions are mixed together to form a single solution ; in the final solution, there are 0.2…

A: Given, final solution contains 0.2mol Pb(CH3COO)2, 0.1mol Na2S and 0.1mol CaCl2.

Q: What is the type of precipitation when determining the chloride ion and why? And what type of…

A: This method determine the chloride Ion concentration of a solution by gravimetric analysis a…