A soluble iodide was dissolved in water. Then an excess of silver(I) nitrate, AgNO3, was added to completely precipitate out completely all of iodide ion as silver(I) iodide, AgI. If 1.545 grams of soluble iodide gave (yielded) 2.185g of silver(I) iodide, then (a) How many moles of I(I-1) are in the original soluble iodide sample? (b) How many grams of I(I-1) are in the original soluble iodide sample? (c) What is the percentage by mass of I (I-1) in the original soluble iodide sample?

Q: A 1.22 g sample of impure lead nitrate was dissolved in 40.0 mL of distilled water and analyzed by…

A: The balanced reaction is as follows: Pb(NO3)2(aq)+Na2SO4(aq)→PbSO4(s)+2NaNO3(aq)

Q: A 1.22 g sample of impure lead nitrate was dissolved in 40.0 mL of distilled water and analyzed by…

A: molar mass of PbSO4 = 303.26 g/mol mass of PbSO4 = 1.05 g moles of PbSO4 = mass / molar mass…

Q: To determine the amount of Cl in an unknown sample, a NaCl sample was titrated with the titling…

A: Number of moles=massmolar mass From the given information, AgNO3 + NaCl → NaNO3 + AgCl Mass of…

Q: Precipitation Reactions. For each of the following proposed reactions, in aqueous solution, choose…

A: Precipitates products are the insoluble and ionic solid compounds, produced when some (+)cations and…

Q: A student titrates an unknown amount of potassium hydrogen phthalate with 26.86 mL of 0.1000 M NaOH.…

A: Since the potassium hydrogen phthalate is a monoprotic acid. hence it will have only 1 mole of…

Q: A mass of 0.640 g of an unknown monoprotic acid, HA, was titrated with KOH. Given that the acid…

A: The molar mass of the monoprotic acid HA will be 151 g/mol (after rounding off).

Q: 9. A student carries out a titration to determine the molar mass of an unknown acid, A • The student…

A: Given: Mass of acid = 2.24 g Volume of solution = 250.0 cm3 Volume of acid = 25.0 cm3 Molarity of…

Q: The Student is required to determine the concentration of a basic NaOH by using the primary standard…

A: KHP , also called as Potassium Hydrogen Phthalate is a salt which is acidic in nature. It is a mono…

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

A: Considered that 250 mL of oxalic acid solution is neutralized by the 46.1 mL of sodium hydroxide…

Q: You are going to standardize your sodium hydroxide by titrating with potassium hydrogen phthalate.…

A:

Q: A 185.0 mL sample of 1.200 M Pb(NO₃)₂ is mixed with 99.50 mL of 1.500 M NaCl, and the PbCl₂…

A: The balanced chemical equation for the precipitation of lead (II) chloride can be written as:…

Q: 4pts) 2.80g of a mixture of Barium Nitrate, Ba(NO3)2 (MM = 261.35 g/mol) and Potassium Bromide, KBr…

A: Here by gravimetric analysis, we have to determine the percentage of KBr in the mixture of Ba(NO3)2…

Q: You are preparing a NAOH solution for use with an acid-base titration experiment. You weighed out…

A: Given ;-  Mass of NaOH = 1.321 g  Volume of solution = 246.9 mL  Molar mass of NaOH = 40.00 g/mol To…

Q: A 214.0-mL aliquot of 0.360 M  aqueous potassium hydroxide is mixed with 214.0 mL of 0.360 M…

A:

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

A:

Q: Consider a titration where 0.215 M potassium hydroxide is added from a burette to 10.00 mL of…

A: Given information,

Q: A 0.1824-g sample that contains both NaCI (MW= 58.442) and NaBr (MW= 102.89) is titrated with 0.1052…

A: Given data,Mass of sample=0.1824 gMolecular weight of NaCl=58.442 g/molMolecular weight of…

Q: Concentration of calcium in a sample may be determined by precipitation using the chromate ion,…

A:

Q: A solution contains 0.0015 M Ag+ and 1.6 x 10-5 M Zn2+, and the ions need to be separated. For this…

A: Given data: A solution contain both  0.0015 M Ag+ and 1.6 x 10-5 M Zn2+, and the ions need to be…

Q: An unknown amount of acid can often be determined by adding an excess of base and then back-…

A: The excess of NaOH is treated with HCl. The neutralization reaction between the…

Q: A 185.0 mL sample of 1.200 M Pb(NO₃)₂ is mixed with 119.50 mL of 1.500 M NaCl, and the PbCl₂…

A: The balanced Chemical Reaction for less Nitrate and sodium chloride is - Pb(NO₃)₂  + 2NaCl ---->…

Q: Methyl orange and phenolphthalein are common chemical indicators often used in titrations. What is…

A: We have Methyl orange and phenolphthalein are common chemical indicators  , we have to identify the…

Q: Suppose a student found a bottle of sodium chloride solution in the lab without a concentration…

A:

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: .300.0 mL of 0.00325 mol/L barium chloride is added to an equal volume of 0.004 00 mol/L sodium…

A:

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

A: The given data is as follows: The mass of oxalic acid = 204 mg = 0.204 g The volume of water = 250…

Q: A chemist needs to determine the concentration of a sulfuric acid solution by titration with a…

A: No.of milli moles of NaOH added = (10.46 mL) x (0.1792 M) = 1.874 m.mol Required reaction : H2SO4 +…

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

A: We would Calculate moles of Pb(NO3)2 used to precipitate PbCl2 using its mass .  Then using moles…

Q: A chemist needs to determine the concentration of a sulfuric acid solution by titration with a…

A: Dilution :-  If a solution of molarity M1 and volume V1 is diluted by adding water to a solution of…

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: Before it was banned in the 1970s due it its non-selective toxicity, thallium (1) sulfate, TI2SO4…

A: Given data: The volume of thallium (I) sulfate (Tl2SO4) is 100.0 mL=0.1 L. The mass of thallium (I)…

Q: A 1.000-L sample of polluted water was analyzed for lead (II) ion, Pb2+, by adding an excess of…

A: -> weight of lead (2) sulphate = 208.4 mg = 0.208 g  (1 g = 1000 mg)

Q: A chemist needs to determine the concentration of a sulfuric acid solution by titration with a…

A: Molarity of standard NaOH solution = 0.1298 M = MNaOHVolume of NaOH used to reach end point = 11.93…

Q: 1. a: A sample of 8.5 mL H,SO, is titrated with 18.5 mL of 0.35 M Ca(OH),. What is the concentration…

A: Answer : Molarity and volume of solution con be calculated as follows

Q: A 0.1824-g sample that contains both NaCl (MW= 58.442) and NaBr (MW= 102.89) is titrated with 0.1052…

A: Given: Mass of mixture = 0.1824 g. Concentration of AgNO3 = 0.1052 M And volume of AgNO3 solution…

Q: A student investigates various properties of silver compounds in the lab. First, the student carries…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Suppose a student needs to standardize a sodium thiosulfate, Na, S,03, solution for a titration…

A: Concentration = 0.024 M

Q: A titration analysis was done to determine the arsenic acid (H3AsO4) content of an impure sample.…

A:

Q: A sample of 0.869 M aqueous potassium hydroxide was titrated against a standard solution of…

A:

Q: A 185.0 mL sample of 1.200 M Pb(NO₃)₂ is mixed with 97.50 mL of 1.500 M NaCl, and the PbCl₂…

A: Given, A 185.0 mL sample of 1.200 M Pb(NO₃)₂ is mixed with 97.50 mL of 1.500 M NaCl, and the PbCl₂…

Q: A 1.22 g sample of impure lead nitrate was dissolved in 40.0 mL of distilled water and analyzed by…

A: mass of PbSO4 = 1.05 g molar mass of PbSO4 = 303.26 g/mol moles of PbSO4 = 1.05 / 303.26 = 0.00346…

Q: 87. What is the use of barium hydroxide in the precipitation of standard NaOH solution? a. catalyst…

A: Q. 87 Ans: (c) precipitate any carbonate present insolution. Barium hydroxide is used in titrations.…

Q: What is the chemical equation representing the titration reaction?

A: A) As here , acid is HCl and base is NaOH , and both are strong in nature , so the reaction they…

Q: To determine the amount of magnetite, Fe3O4, in an impure ore, a 1.5419 g sample is dissolved in…

A:

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

A: Mass of oxalic acid = 86 mg = 86×10-3 g Molar mass of oxalic acid = 90.034 g/mol Volume of oxalic…

Q: A chemistry student is doing a titration lab in  and needs to make up 2 liters of NaOH for the class…

A: The reaction of Sodium Hydroxide (NaOH) with Potassium Hydrogen Phthalate (KHP) is One mole of NaOH…

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

A: Molarity of NaOH solution = 0.0840 M                                             = 8.40 x 10-2 M…

Q: You performed a titration to determine the concentration of a solution of NaOH using solid KHP…

A: Molarity of a solution is equal to the number of moles of solute divided by volume of solution.…