1. Solution of KHTar in Distilled Water: 0.0500 M NaOH Volumes: Initial 40.15 mL 40.48 mL Final 20.01 mL 20.27 mL Used Average Used mL Show your method to calculate the [HTar], [K*] and the solubility of KHTar in the distilled water.

Q: A student performs a titration and records the following data: Initial buret volume:  13.76 mL…

A: We know that Molarity is the number of moles of solute present in 1 L of the solution Molarity =…

Q: A mixture of 2.00 mL 0.100 M sodium hydroxide and 1.00 L of 0.200 M calcium chloride was prepared.…

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Q: Calcium oxalate, CaCO4, is very insoluble in water. What mass of sodium oxalate,Na2C2O4, is required…

A: Given: Volume of CaCl2 = 37.5 ml Molarity of CaCl2 = 0.104M

Q: A clear, colorless solution forms a pale yellow precipitate when KI(aq) is added. The same solution…

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Q: Part 1 An aqueous solution is prepared in which 0.00192 mol Ni(NO3)2 and 0.353 mol NH3 are dissolved…

A: Given: Moles of Ni(NO3)2 = 0.00192 mol Moles of NH3 = 0.353 mol Volume = 1 L

Q: Sodium bicarbonate, NaHCO3, which is commonly known as baking soda requires purification for certain…

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Q: A 0.217 g sample of HgO (molar mass = 217 g/mol) reacts with excess iodide ions according to the…

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Q: You have a Magnox sample that weighs 1 g. Knowing that it is an alloy, all the other interferents…

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

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Q: A student performs a titration and records the following data: Initial buret volume:  11.87 mL…

A: The moles of NaOH used in this titration is = 0.004049 (or) 4.049 × 10-3

Q: A solution of NazCO3 is added dropwise to a solution that contains 1.04 x 10 ?mol L Fe+ and 1.57 x…

A: Given: Concentration of Fe2+ ions = 1.04 X 10-2 M And concentration of Cd2+ ions = 1.57 X 10-2 M

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: 25 mL of a bleach (NaOCl) sample is diluted to 500 mL. An excessive amount of KI is added to the 20…

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Q: A 100.0 mL sample of a 0.200 M aqueous solution of K2 mL of a 0.100 M aqueous solution of BaCl2. The…

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Q: 1. As the acid solution is titrated the pink color forms where the drop first enters the solution…

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

Q: The alloy brass contains lead as an impurity in the form of lead sulphate (PbSO,). By dissolving…

A: Since you have asked multiple questions, we will answer only first question for you. In order to get…

Q: Calculate the concentration of sodium jons in solution after 30.0 mL of 3.35 M NaCI and 70.0 mL of…

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Q: Consider a solution containing 0.181 M lead ions and 0.174 M mercury(II) ions. The Ksp for lead…

A: Given : Concentration of lead (II) ions i.e Pb2+ = 0.181 M And concentration of mercury (II) ions…

Q: A solution is 1.5×10-2 M in Ba?+ and 1.8×10-2 M in Ca²+. Consider that Ksp (BaSO4) ==1.07 × 10¬10…

A: Given : [Ba+2] = 1.5 x 10-2 M  [Ca+2] = 1.8 x 10-2 M  Ksp(CaSO4) = 7.1 x 10-5  Ksp (BaSO4) = 1.07 x…

Q: Solid sodium carbonate is slowly added to 150 mL of a 0.126 M calcium acetate solution until the…

A: Since you have posted multiple questions, we are entitled to answer the first only. 1) Given:…

Q: A 5.00 ml sample of vinegar was titrated with 0.08751 M NAOH. The sample requires 22.31 mL of NaOH…

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Q: Use the References to access important values if needed for this question. Calculate the number of…

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Q: 1. 50.05 mL of 0.4530 M KOH solution to completely to titrate 125.00 mL of sulfuric acid solution…

A: As per our guidelines, we are supposed to answer only one question. Kindly repost other question as…

Q: 1. (a) The solubility product of a sparingly soluble salt, XF2, was determined by titration and…

A: General titration equation is  M1V1=M2V2  M-> MolarityV->Volume in this question the titre is…

Q: 25 mL of a bleach (NaOCl) sample is diluted to 500 mL. An excessive amount of KI is added to the 20…

A: Working formula Volume×Molarity = no of mmol The weight percent by Volume  = [(Mass of…

Q: A sample of solid Ca(OH)2 was stirred in water at a certain temperature until the solution contained…

A: Given, Volume of Ca(OH)2, V1  =450 mL=450×10-3L=0.450 L Molarity of Ca(OH)2  M1= to find Valency…

Q: Question 4 Three students studied the following solubility curve. They were asked to determine the…

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Q: A solution contains 1.43x10 M lead nitrate and 5.74x10 M silver acetate. Solid potassium sulfate is…

A: Given that: Concentration of lead nitrate =1.43x10-2 M Concentration of silver acetate =5.74x10-3 M…

Q: Fe(llI) has very low solubility in the ocean. Use the Pourbaix diagram below to explain…

A: The given Pourbaix diagram is:

Q: Solution A is 5.35×10 ^-4M sodium iodide and Solution B is 5.35×10^-5  M in copper(I) acetate. If…

A: The overall reaction taking place is: NaI (aq)+CH3COOCu (aq)→CH3COONa (aq)+CuI (s) Thus the…

Q: concentrated

A: Dear student I have given answer to your question in the image format.

Q: How many grams of Cu(OH)2 will precipitate when excess Ba(OH)2 solution is added to 45.0 mL of 0.778…

A: Given reaction:-  CuCl2(aq) + Ba(OH)2(aq) -----> Cu(OH)2(s) + BaCl2(aq) Molarity of CuCl2 = 0.778…

Q: An impure sample of the monoprotic acid benzoic acid (C6H5COOH, 122.12 g/mol) is titrated with…

A: Since 1 mole of benzoic acid has 1 mole of acidic H. because 1 molecule has only 1 acidic H. And 1…

Q: 1. CL was tasked to identify the white solid inorganic salt that Dr. Yang gave her. From her…

A: We have two different salts, Zn(CN)2(s) and AgSCN(s) to compare and identify the unknown salt out of…

Q: chemistry student needs to standardize a fresh solution of sodium hydroxide. He carefully weighs out…

A: Given-> Weight of oxalic acid = 54 mg = 0.054 gm  (1 gm = 1000 mg) Volume of oxalic acid solution…

Q: A 25.0mL acetic acid sample was titrated using exactly 69.72 mL of a 0.30M sodium hydroxide solution…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: There is a solution containing two metal cations. The goal is to separate them by slowly and…

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Q: A 25.00 mL sample of a vinegar solution is diluted to 250.00 mL with water. Then a 25.00 mL aliquot…

A: Molarity of NaOH = 0.1027 M Volume of NaOH = 22.13 mL Volume of Vinergar = 25 mL

Q: Question 4 Three students studied the following solubility curve. They were asked to determine the…

A: Effect of temperature on solubility: There is a direct relationship between solubility and…

Q: You dissolved 3.00 g of calcium chloride and 2.76 g of sodium carbonate in tap water separately,…

A: as we are mixing calcium chloride and sodium chloride , therefore the reaction between them…

Q: Firstly, the student used potassium hydrogen phthalate (KHP, 204.22 g/mol) as standard to determine…

A: Standardization: Number of moles of KHP reacted in trail 1 be calculated as follows, From the…

Q: Gravimetric Analysis. Please include complete solution, thank you. In the gravimetric…

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Q: you would like to remove cadmium ions from a waste stream using precipitation. The final…

A: Cadmium metal is present in the water which is a healthcares threatening metal. The small amount of…

Q: A solution contains 7.52x103 M potassium hydroxide and 1.40×102 M sodium carbonate. Solid zinc…

A: Given: Concentration of sodium carbonate i.e. Na2CO3 = 1.40 × 10-2 M. And concentration of potassium…

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: When a 100.0-mL portion of a solution containing 0.500 g of AgNO3 is mixed with 100.0 mL of a…

A: Given data :  Mass of AgNO3 solution = 0.500 g  Molar mass of AgNO3 = 169.87 g/mol  Mass of K2CrO4=…

Q: How many grams will precipitate out of a saturated solution of KNO3 when that solution is cooled…

A: Solution :       Solubility is the property of liquid, solid and gaseous molecules which shows the…

Q: A 750. mL sample of 0.13 M K₂CO3(aq) is combined with 250. mL of 0.13 M CUNO3(aq). The Ksp for…

A: Given : Volume of K2CO3 solution = 750 ml  Concentration of K2CO3 solution = 0.13 M  Volume of CuNO3…

Q: An aqueous solution of barium nitrate is combined with an aqueous solution ốf sodium carbonate and a…

A: Given : HCl is added to the precipitate in b i.e barium carbonate i.e BaCO3.

Q: Balanced Chemical Equation NaOH + HA-> NaA + H2O Details Volume (mL) of original unkown acid (HA)…

A: The balanced titration equation is: NaOH + HA → NaA + H2O

Q: 30. Equal volumes of 0.10 M AGNO3 solution and 0.075 M NaCI solution is poured into a beaker. What…

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