A sample of CaCO3 (molar mass=100.1) weighing 0.4856 g is dissolved in HCl and the solution diluted to 500.0 mL in a volumetric flask. A 25.00-mL aliquot requires 21.37 mL of an EDTA solution for titration. How many grams of Na2H2Y.2H2O (molar mass=372.2) are required to prepare 500.0 mL of this solution.

Q: A 0.5123g sample (molar mass 204.23g/mol) of KHP was dissolved in about 25 mL of distilled water and…

A: Potassium hydrogen phthalate, KHP reacts with sodium hydroxide, NaOH as below.As per the…

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Q: Potassium sorbate,KC H,O, (molar mass 150. g/mol) is commonly added to diet soft drinks as a…

A: Solution: Dissociation expression is a dissociation constant ( equilibrium constant). For acid…

Q: If the copper standard solution has a concentration of 25 μg/mL, what is the concentration of a…

A: Given Concentration of copper standard solution = 25 μg/ml

Q: Given the reaction below for the titration of sulfuric acid with sodium hydroxide, if 20.00 ml of…

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Q: Mass of H2C2O4•2H2O = 1.3245 grams  Molar Mass of H2C2O4•2H2O = 126.07 Volume of H2C2O4•2H2O…

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Q: A 50.00-ML water sample was titrated with 0.0250 M EDTA to determine its calcium content. The…

A: The question can be solved using the law of equivalence. The detailed solution is shown below.

Q: A solution of citric acid (H3CgH;O,) with a known concentration of 0.200 M H;C,H;O, is titrated with…

A: Given,Concentration of citric acid = 0.200 MVolume of Citric Acid = 25 mLMoles of citric acid =…

Q: In standardizing a solution of NaOH (40 g/mol) against 1.431 g of KHP (204.22 g/mol) the analyst…

A: Volumetric analysis is a method in which the volume of a substance is determined by measuring its…

Q: What is the molar concentration of Cl– in a solution prepared by diluting 12.5 mL of a 0.100 M…

A: Molar concentration of Cl-

Q: The active ingredient in a certain toilet cleaner that claims to ‘remove lime scale and rust’ is…

A: Given data,Initial concentration of toilet cleaner (HCl)=1.12 mol/LVolume of toilet cleaner…

Q: Exactly 410.4 mg of primary standard potassium acid phthalate (KHP), formula weight 204.2, is…

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

A: The balanced chemical reaction is given as: H2C2O4 (s) + 2 NaOH (aq) → Na2C2O4 (aq) + 2 H2O (l)

Q: The analyst wanted to measure the zinc oxide content of a 1.25-g sample. The sample was treated…

A: As per rules, only three questions can be answered: Titrimetric analysis method: Back titration…

Q: 2.5 g sample of impure mercury (II) oxide, in excess of potassium iodide is being resolved. HgO(k)…

A:

Q: In standardizing a solution of NaOH against 1.431 g of KHP (KHC8H4O4), the analyst uses 35.5 mL of…

A: Volumetric analysis is a method in which the volume of a substance is determined by measuring its…

Q: (5) A student weighed a sample of KHP and found it weighed 1.276 g. After titration with NaOH, 19.84…

A: KHP is a monoprotic acid whose chemical formula is KHC8H8O4 and NaOH is a monoprotic base. It…

Q: If 24.0 ml of 0.0100 M KMNO4 solution is needed to titrate 1.00 g of a sample of H2C204 to the…

A: The balanced equation is    5 H2C2O4 (aq) + 2 MnO4– (aq) + 6 H+ (aq) ---------> 10 CO2 (g) + 2…

Q: How many grams of PBSO4 is expected to form when 25 mL of 0.15M Pb(N03)2 reacts with excess NazSO4?

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

Q: (4) The amount of oxalic acid in a sample of 3+ rhubarb was determined by reacting with Fe as…

A: We should equal equivalent of both acid and Fe+3 ion to get mass of oxyliac acid  Equivalent =…

Q: A 0.3147-g sample of a primary-standard grade Na2C2O4 was dissolved in dilute H2SO4 and titrated…

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

Q: A solution was prepared by dissolving 435 mg of K3Fe(CN)6 in enough water to give 945 mL of…

A: As the question contains multiple sub-parts so only the first three are solved in this solution. If…

Q: A solution of tartaric acid (H:C4H.Oe) With a knówn concentration of 0.155 M H:C.H.O. is titrated…

A: Answer ) this is acid base titration. In this titration 2 mole of NaoH (base ) required to…

Q: How many grams of KMnO4 are required to prepare 4.000 L  of 0.0350 M  KMnO4 solution that is used in…

A: Calculation of no. of mol of KMnO4: Calculation of amount of KMnO4:

Q: What mass of CO2 will be produced from the reaction of 50.0 mL of 0.250 M HCl with an excess of 1.00…

A: Balanced chemical equation: 2HCl(aq) + Na2CO3(aq) ---->2NaCl(aq) + H2O(l) + CO2(g) Limiting…

Q: Oxalic acid (H2C2O4) is present in many plants. If 25.6 mL of 0.0200 M KMnO4 is needed to titrate a…

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Q: 4. Here you titrate 100 mL of carbonic acid (H;CO) of unknown concentration with 0.01 M of potassium…

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

A: The question makes use of iodometric titrations in which  indirectly liberated iodine is titrated…

Q: 2.413 g sample contains Na2CO3, NaHCO3 and inert material. This sample was solved in water and…

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Q: 1. A 0.4126-g sample of primary-standard Na2CO3 was treated with 40.00 mL of dilute perchloric acid.…

A: Given:-           Mole of  Na2CO3 = 0.4126 g/106 gmol = 3.89 mmol Mole of HClO4 neutralize required…

Q: exactly 250.0 mL in a volumetric flask. A 50.0 mL aliquot is withdrawn with a pipet and titrated…

A:

Q: 2.413 g sample contains Na2CO3, NaHCO3 and inert material. This sample was solved in water and…

A: When a solution mixture of Na2CO3 and NaHCO3 are titrated against HCl solution using…

Q: In the titration of a volume of 50 mL of a hydrochloric acid solution with Solution density 1.045 g…

A: Density is measure of mass per unit volume. Density =MassVolume Molarity is the ratio of moles of…

Q: A solution of citric acid (F3C6H507) with a known concentration of 0.200 M H3C6H507 is titrated with…

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Q: The ethyl acetate concentration in an alcoholic solution was determined by diluting a 10.00-mL…

A: Solution No.of moles of KOH is , n = Molarity * Volume in L…

Q: What mass of solid Lanthanum (III) oxalate nonahydrate { La2( C2O4 )3 · 9 H2O} can be obtained from…

A: Solution -  “Since you have asked multiple question, we will solve the first question for you. If…

Q: 3. A 10.0-mL sample of sulfuric acid, H2SO4, from a battery of an old car is diluted to 100.0 mL,…

A: Initial molarity(M1) of H2SO4 solution = 3.25 M  Initial volume of H2SO4 solution = 10 ml  Volume of…

Q: Your objective is to determine the concentration of a solution of acid HA

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Q: Which of the statements given below is correct? A. Iodometry is a method in which 12 solution is…

A: A.Is correct statement The presence or absence of elementary iodine signals the end point of…

Q: The SO2 present in air is mainly responsible for acid rain. Its concentration can bé determined by…

A: Molarity of the solution is equal to the number of moles of solute present in one liter of the…

Q: molar concentration of Na+

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

Q: Chlorine in wastewater could be digested, isolated and converted to HCl and could be titrated with…

A: Wate water contains many compounds which contaminate it. But these can be removed by many chemical…

Q: (b) An impure sample of (COOH)2.2H2O that had a mass of 1.00 g was dissolved in water and titrated…

A: Whenver an acid and base reacts with each other than they form salt and water and the process is…

Q: A volume of 60 0 mL of aqueous potassium hydroxide (KOH) was titrated against a standard solution of…

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Q: A solution of oxalic acid dihydrate (H:C:O++2H:0) with a known concentration of 0.400 M H:C2O 2HO is…

A: Given :  Concentration of H2C2O4.2H2O = 0.400 M  Concentration of NaOH = 0.333 M  Volume of…

Q: A standard solution of AgNO3 was prepared by dissolving 7.107 g of pure AgNO3 in sufficient water to…

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Q: 1. What mass of solid Lanthanum (III) oxalate nonahydrate { La2 ( C2O4 )3 ∙ 9 H2O } can be obtained…

A: Hi, we are supposed to answer one question. To get the remaining questions solved please mention the…

Q: if 25.0g of NaOH is added to 0.750L of 1.00M Cd(NO3)2 how many grams of Cd(OH)2 will be fromed in…

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Q: molarity

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Q: The conversion of nitrogen to ammonia, an essential process in the nitrogen cycle, occurs only in…

A: Given, the reaction involved in the titration: The volume of the Mo3+ sample = 30 mL The volume of…