1. A 4.277-g sample of Al2(SO4)3 was dissolved in distilled water to make a total volume of 250.0 mL of solution A. Then an aliquot of 25.00 mL of solution A was diluted 10 times with distilled water to give solution B. Determine the molar concentration of the sulfate ions in solution B.

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Q: Consider the reaction: CaCl:(aq) + 2AgNO3(aq) → Ca(NO3)>(aq) + 2A9CI(s) How many grams of CaCl2…

A: For this question, first find out moles of AgNO3 using molarity formula. Then use mol to mol ratio…

Q: 1) balance the following chemical equation for the reaction of hypothetical elements X, Y, and Z.…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: What mass of Na3CrO4 is required to precipitate all of the silver ions from 20.0 mL of a 0.700 M…

A: 20.0 mL of a 0.700 M solution of AgNO3 and Na3CrO4.

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A: The molecular formula of citric acid is C6H8O7.

Q: Calculate the molarity of each of these solutions. a. A 4.053-g sample of NaHCO3 is dissolved in…

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Q: 1. A 4.277-g sample of Al2(SO.)3 was dissolved in distilled water to make a total volume of 250.0 mL…

A:

Q: A student uses 1.05 g of a tablet containing Carbonic Acid dissolved in 0.05 L distilled water. The…

A: Given: Volume of distilled water = 0.05L , mass of solute = 1.05 g ,volume of NaOH = 3.76 mL  To…

Q: Calculate the molarity of each of these solutions. a. A 4.623-g sample of NaHCO3 is dissolved in…

A: Molarity: It is defined as the number of moles of a solute added to 1 litre of the solution.…

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Q: The concentration of Ca in a 200.0 mL sample was determined by precipitating the cation as CaC2O4.…

A: Mass of empty crucible = 26.6002 g Mass of crucible + CaO = 26.7134 g Mass of CaO = 26.7134 -…

Q: 4) A 50 mL sample taken from a vinegar sample was diluted to 500 mL with distilled water. The 25.0…

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Q: Calculate the molarity of each of these solutions.a. A 5.623-g sample of NaHCO3 is dissolved in…

A: a) Given: Mass of NaHCO3 = 5.623 g Volume of solution = 250.0 mL To Calculate: The molarity of the…

Q: Calculate the molarity if a sample of solid KBr weighing 11.9 g is put in enough distilled water to…

A: Molarity is used for concentration calculation. It is the number of moles of solute dissolved in per…

Q: The calcium in a 200.0 mL sample of natural water was determined by precipitating the cation as…

A: The mass of empty crucible is = 26.6002 g The mass of crucible and CaO is = 26.7134 g The mass of…

Q: What mass of Na2 CrO4 is required to precipitate all of the silver ions from 65.0 mL of a 0.600 M…

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Q: A solution of NaCl(aq)NaCl(aq) is added slowly to a solution of lead nitrate,…

A: The given reaction proceeds in the following way

Q: A sample contains MgCl2 (95.211 g/mol) and KCl (74.551 g/mol). A 6.3674-g sample was dissolved in…

A: Precipitation refers to formation of product as solid mass that settles at the bottom. Such…

Q: What is the total mass, in grams, of precipitate that can be produced by mixing 11 g magnesium…

A: Equation for reaction; MgCl2(s)+2AgNO3→Mg(NO3)2+2AgCl

Q: A 0.9182 g sample of CaBr2 is dissolved in enough water to give 500.0 mL of solution. A 15.00 mL…

A: When we make a solution , then concentration of whole solution is same. So if we take a small volume…

Q: What mass of Na2  CrO4 is required to precipitate all of the silver ions from 45.0 mL of a 0.600 M…

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Q: Consider a solution prepared by adding 2.70 g acetic acid, CH3CO2H, to 122.8 g of H2O. (a) what is…

A: Given: Mass of water = 122.8 g. And mass of acetic acid = 2.70 g.

Q: A solution of NaCl(aq) is added slowly to a solution of lead nitrate, Pb(NO3)2(aq), until no further…

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Q: .   a) What volume(ml) of 0.115 M HClO4 solution is required to neutralize 50.00 ml of  0.0875 M…

A: a) Since the acid is monoprotic while the base is diprotic And according to the reaction below…

Q: A student weighs out a 15.8 g sample of aluminum bromide, transfers it to a 300 mL volumetric flask,…

A: AlBr3→Molar mass of AlBr3 is 266.699 gmol-1 . So 1 g AlBr3 has (1÷ 266.699) gmol-1 So 15.8 g of…

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Q: 1. What is the percentage of acetic acid, CH3COOH, in a sample of vinegar if 36.00 mL of 0.486 M…

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Q: Consider the reaction: Ag* (aq) + Cl(aq) → AgCl(s) How many grams of NaCl would be needed to…

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Q: A 0.458 g sample of anhydrous sodium carbonate Na2CO3 is dissolved in deionized water and titrated…

A: Given: Mass of anhydrous sodium carbonate = 0.458 g. Volume of HCl = 21.34 mL Molar mass of sodium…

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

A: Given :-  Mass of FeCl2 = 5.01 g  Volume of solution = 250. mL  To calculate :-  Molarity of…

Q: A student needs to prepare 250 mL of a 0.500 M aqueous solution of sucrose, C,,H,,0, (aq), which is…

A: The given data contains, Volume = 250 ml = 0.250 L Molarity = 0.500 M Molar mass of sucrose =…

Q: A 1.81g sample of Ba(OH)2 solid was dissolved in water to give 250 mL of solution. What is the OH…

A: Molar mass of barium hydroxide=171.34 g/molmass of barium hydroxide = 1.81 gmoles of barium…

Q: A solution of NaCl (aq) is added slowly to a solution of lead nitrate, Pb(NO3)2 (aq) until no…

A: NaCl is being added in the Pb(NO3)2 till no further precipitate is formed. Hence all the Pb2+…

Q: What is the percentage of acetic acid, CH3COOH, in a sample of vinegar if 36.00 mL of 0.486 M NaOH…

A: Since you have posted multiple unrelated questions, we are entitled to answer the first only.

Q: A 13.44-g sample of sodium chloride is dissolved in enough distilled water to make up 250.00 mL of…

A: Given, Mass of sodium chloride dissolved = 13.44 g            Volume of the solution in which NaCl…

Q: 1. If 10. g of AgNO3 is available, what volume of 0.40 M AgNO3 solution can be prepared? Volume =…

A: The answer to the following questions are given as:

Q: A 4.277-g sample of Alz(SO4)a was dissolved in distilled water to make a total volume of 250.0 mL of…

A: Answer :- Molar Concentration of sulfate SO42- ion in solution B = 0.015 M…

Q: A sample contains MgCl2 (95.211 g/mol) and KCl (74.551 g/mol). A 6.3674-g sample was dissolved in…

A: Molar mass of MgCl2 = 95.211 gmol Molar mass of KCl = 74.551 gmol Mass of sample = 6.3674 g Volume…

Q: A 12.5% (w/w) NiCl2 (129.61 g/mol) solution has a density of 1.149 g/mL. Calculate (a) the molar…

A: Given: 12.5% (w/w) NiCl2 ⇒12.5 g NiCl2 present in 100 g of solutionGiven: Density ofsolution = 1.149…

Q: A student prepares a solution by dissolving 9.23 g of solid KOH in enough water to make 300.0 mL of…

A: Given = mass of KOH = 9.23 g Volume of solution = 300 ml = 0.300 L

Q: A solution of NaCl(aq) is added slowly to a solution of lead nitrate, Pb(NO3)2(aq), until no further…

A: Solution stoichiometry involves the calculation of concentration of solutions in the given…

Q: 2. Acetic acid (HC2H3O2) is an important component of vinegar. A 10.0-mL sample of vinegar is…

A: The balanced chemical reaction is the one in which the number of atoms on both sides of the reaction…

Q: What mass of Na2CrO4 is required to precipitate all of the silver ions from 20.0 mL of a 0.700 M…

A: Molarity - ratio of number of moles of solute to the volume of solution in litres. Formula is,…

Q: Calculate the mass of MgCO3 precipitated by mixing 10.00 mL of a 0.200 M Na2CO3 solution with 5.00…

A: Given: Volume of Na2CO3     = 10.00 mL Molarity of Na2CO3    = 0.200 M Volume of Mg(NO3)2  = 5.00 mL…

Q: Question is attached

A: The reaction is – 2Cl-aq + Hg(NO3)2aq →2NO3-aq + HgCl2 s

Q: A student prepares a solution by dissolving 7.46 g of solid KOH in enough water to make 550.0 mL of…

A: A strong base dissociates in the solution completely. KOH is a strong base which gives potassium…