A 3.33 gram sample if iron ore is transformed to a solution of iron (II) sulfate, and this solution is titrated with 0.150 M potassium dichromate. If it required 41.4 mL of potassium dichromate solution titrate the iron (II) sulfate solution, what is the percentage of iron in the ore? Fe2+ (aq) + Cr2O7-2 (aq)-> Fe+3 (aq) + Cr+3 (aq) (unbalanced)

Q: Sodium hydroxide is used extensively in acid-base titrations because it is a strong, inexpensive…

A: Acid-base titration gets applied for computing any particular solution's unknown concentration. Such…

Q: What is the concentration of NaCl in a solution if titration of 15.00mL of the solution with 0.2503…

A: Titration of sodium hydroxide and silver nitrate results in the formation of silver chloride.…

Q: Vinegar contains acetic acid (HC2H3O2), which is responsible for its acidity. In one analysis of a…

A:

Q: Potassium permanganate, a strong oxidizing agent, is commonly used in titrations because of its…

A: Given, 27.12 mL of 0.1147 M KMnO4

Q: What kind of reaction is this if it is. Precipitate write down the formula if you said acid-base…

A: The balanced reaction for titration of iron ore with potassium permanganate is given as,

Q: To measure the amount of chlorine in a well-boring fluid, an analytical chemist adds 0.130M silver…

A:

Q: Suppose you are titrating a solution of sodium oxalate, which has a molar mass of 134 g/mol, with a…

A: No of moles of KMnO4 = Molarity x Volume in L                                       = 0.0375 mol/L x…

Q: A 5.00-g sample of vinegar is titrated with 0.108 M NaOH. If the vinegar requires 39.1 mL of the…

A: From given data M of NaOH = 0.108 M  V of NaOH = 39.1 mL = 0.0391 L Mass of sample of vinegar = 5 g…

Q: The molarity of an aqueous solution of hydroiodic acid, HI, is determined by titration with a 0.118…

A: The given reaction is: The molarity of HI can be calculated as follows: where MHI is the molarity…

Q: Fill out the chart in the picture for what kind of reaction is this then calculate the mass percent…

A: To measure the amount of calcium carbonate (CaCO3) in a seashell, an analytical chemist crushes a…

Q: what is the molar concentration of acetic acid in the vinegar?

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Q: The following chemical reaction takes place in aqueous solution: Cu(NO,) (aq)+K,S(aq) →CUS(s)+2…

A:

Q: To measure the amount of chlorine in a well-boring fluid, an analytical chemist adds 0.210M silver…

A: We have to tell what type of reaction is given, and tell due to element, it is classified that type…

Q: The iron in a sample of iron ore can be converted completely to Fe2+ in aqueous solution, and this…

A:

Q: To measure the amount of citric acid (C,H,0(CO,H),) in a certain candy, an analytical chemist…

A: Given that : Mass of the sample=23.00 gThe volume of water=150 mLThe volume of NaOH=39.0 mLThe…

Q: To measure the amount of chlorine in a well-boring fluid, an analytical chemist adds 0.380M silver…

A: Given following balanced Chemical equation -  Cl-(aq) + AgNO3(aq) ----> AgCl(s) + NO3-(aq)  Also…

Q: If 25.5 g of NaOH is added to 0.650 L of 1.00 M Cu(NO3)2, how many grams of Cu(OH)2 will be formed…

A: Given, Mass of NaOH = 25.5 grams Molarity of Cu(NO3)2 = 1M Volume of Cu(NO3)2 = 0.650 liter…

Q: The active agent in many hair bleaches is hydrogen peroxide. The amount of H,O, in 14.6-g of hair…

A: Given: Volume of KMnO4 = 46.1mL=0.0461L Concentration of KMnO4 is 0.154 M the mass of bleach is…

Q: A 20.05 mL sample of Vinegar(an aqueous solution of acetic acid, HC2H3O2) has a density of…

A: Find mas of vinegar present in 20.05 ml sample of vinegar Density of sample is 1.061 g/mLmass of…

Q: What is the net ionic equation for the chemical reaction that occurs when aqueous solutions of…

A:

Q: what mass in grams of Zn(OH)₂ will be formed

A: Number of moles = mass/molar mass  Molarity = moles/volume(in L)  Moles = molarity × volume(in L)…

Q: Potassium hydrogen phthalate, KHP, is often used as a primary standard for the standardization of…

A:

Q: he endpoint with 190. ml of 0.4000 Mhydrogen chloride (HCI) solution. balanced chemical equation for…

A: Given reaction is an acid-base reaction in which HCL acid and carbonate is a base because acid gives…

Q: The concentration of lead ions (Pb2+) in a sample of polluted water that also contains nitrate ions…

A: The balanced reaction of lead ions with sodium sulfate can be given as

Q: The following chemical reaction takes place in aqueous solution: Fe, (SO.),(aq)+3 (NH,),S(aq)…

A: We have to predict the net ionic equation for the given reaction .

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A: In a chemical reaction, the reactants react to form the products.  Chemical reactions are of…

Q: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is…

A:

Q: A student titrates a 10.00-mL sample of an HCI solution, using a 0.365 M solution of NaOH. She finds…

A:

Q: Suppose you have a solution that might contain one or more of the following cations: lead (II) ion,…

A: All the chloride salts are soluble except Lead(II)chloride, silver(I)chloride, and HgCl2. All the…

Q: A chemistry student weighs out 0.212 g of lactic acid (HC,H,03) into a 250. mL volumetric flask and…

A: Given, mass of lactic acid = 0.212 g            volume of solution  250. mL            molarity of…

Q: If the above reaction involves the monoprotic acid potassium hydrogen phthalate (KHP, molar mass =…

A: The balanced reaction between the monoprotic potassium hydrogen phthalate, KHP and NaOH can be…

Q: In the analysis of an iron ore by precipitation of the iron as Fe(OH)3, what weight of the sample…

A: Mass% is equal to ratio of the mass of the substance to the total mass of the substance multiplied…

Q: 20.00-mL portion of the diluted acid is titrated with 0.2025 MNaOH solution. If 42.00 mL of the NaOH…

A: Such kinds of problems are solved by considering the mole concept. The mole concept relates the…

Q: You have 0.685 g of an unknown acid, H₂A, which reacts with NaOH according to the balanced equation…

A:

Q: To measure the amount of calcium carbonate (CaCO3) in a seashell, an analytical chemist crushes a…

A:

Q: The following chemical reaction takes place in aqueous solution: CuBr,(aq)+K,S(aq) →CUS(s)+2 KBr(aq)…

A: Given: CuBr2(aq) + K2S(aq) → CuS(s) + 2KBr(aq)

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

A:

Q: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is…

A: Given,  Volume of the sample = 200 mL  Chemical reaction is : CdCl2 (aq) + 2AgNO3 (aq) -------->…

Q: In a common medical laboratory determination of the concentration of free chloride ion in blood…

A: Given: The concentration of chloride ion in blood serum is determined by titrating it against…

Q: A 0.450 g sample of impure CaCO,(s) is dissolved in 50.0 mL of 0.150 M HCI(aq). The equation for the…

A: Mass of impure CaCO3 = 0.450 g Molarity of HCl added = 0.150 M Volume of HCl added = 50.0 mL…

Q: A volume of 23.24 mL of potassium permanganate (represented by permanganate ion in the balanced…

A: We have to find molarity of oxalic acid solution

Q: The following chemical reaction takes place in aqueous solution: Fe(NO3),(aq)+2 NaOH(aq)…

A:

Q: What mass of solid potassium oxalate (K2C2O4), when dissolved in an acidic solution, would be…

A:

Q: A student worker in the Cal Poly chemistry stockroom is asked to determine the concentration of an…

A: Acid-base titrations are carried out in order to determine the concentrations of the unknown…

Q: Question is attached

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

Q: (CH,O(CO,H),)' To measure the amount of citric acid in a certain candy, an analytical chemist…

A: Given, Mass of sample = 22.0 g Volume of sodium hydroxide solution = 30.9 mL Concentration of sodium…

Q: Vinegar contains acetic acid (HC2H3O2), which is responsible for its acidity. In one analysis of a…

A:

Precipitation Titration

Precipitation analysis is used to analyze drugs, and to measure the salt content in food and beverages. It is an important concept from the examination point of view many practical questions are asked on the topic. This topic is significant in the professional exams for both undergraduate and graduate courses, especially for