For Questions 20-24 consider the following scenario: A 0.8390 g of an unknown sample containing chloride was dissolved in water and reacted with an excess of AgNO3 solution. The following data was collected from the gravimetric analysis: Mass of Unknown Sample = 0.8390 g Mass of Filter Paper and Precipitate = 3.2174 g Mass of Filter Paper =1.0230 g It was determined in the previous question that 0.5427 g of chloride was in the precipitate. Calculate the percent chloride in the unknown sample

Q: A 500 mg sample contains FeCl3 and MgCl2. Ammonia was added to the sample to precipitate the…

A: Ammonia(NH3) being a weak base forms OH-(aq) in aqueous solution. NH3(aq)+ H2O(l)  <----->…

Q: A 10.4 g sample of a mixture of NaCl and BaCl2 is treated with an excess of aqueous K2SO4. All of…

A: The mass of the mixture of NaCl and BaCl2 is = 10.4 g The mass of precipitates is = 5.82 g Percent…

Q: A student is asked to perform a neutralization reaction between hydrochloric acid, HCl, and sodium…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: If 0.326 g of aluminum chloride dissolved in water and the whole solution was reacted with excess…

A: Part a)  The reaction for  the given statement is: AlCl3(aq)  + 3AgNO3(s) →3AgCl (s)+…

Q: Consider the following reaction: Pb(NO3)2(aq) + 2KI(aq)→ Pbl½(s) + 2KN03(aq) What mass of lead…

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Q: When answering this problem, report the answer with the appropriate number of significant figures.…

A: The question is based on the concept of titrations.   we are titrating  a strong Sulphuric acid with…

Q: 1. A gravimetrical analysis is done with an unknown sample containing AGNO3. A 1.5020-g solid…

A: 1. The chemical reaction taking place will be: AgNO3aq + NaCl3aq → AgCl(s) + NaNO3aq The given…

Q: An unknown mass of Na3PO4(s) is dissolved in water to form 50.00 mL of solution. This is Solution A…

A: Given: Number of sodium ions = 4.408*1020

Q: Suppose a student performed a similar standardization titration experiment using the data in the…

A: Balanced rxn for benzoic acid (C6H5COOH) and NaOH is given as follows-

Q: Calculate the volume (mL) of 1.0 M metal nitrate solution required to prepare 5.0 g of the COPPER…

A: The balanced chemical equation is, Cu(NO3)2 ---> Cu2+ + 2NO3- From this reaction we can conclude…

Q: A gravimetrical analysis is done with an unknown sample containing CaCl2. A 0.5020-g solid mixture…

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Q: Calculate the grams of analyte per gram of precipitate for the following conversions: Supstance…

A: We need to calculate the grams of analyte per gram of precipitate, ie. the gravimetric factor.

Q: 4. A student is given the task of determining the I content of tablets that contain KI and an inert,…

A: Note - Since you have posted a question with multiple sub-parts, we will solve first three sub-parts…

Q: What are the requirements that should be met for a precipitation reaction to serve as the basis of a…

A: To Find: To find the requirements that should be met for a precipitation reaction to serve as the…

Q: A 0.5895 g sample of impure magnesium hydroxide is dissolved in 100.0 mL of 0.2050 M HCl solution.…

A: Mass Percentage Formula mass percent = (mass of element in 1 mole of compound / mass of 1 mole of…

Q: When sodium sulfide reacts with cobalt (II) acetate in water, cobalt (II) sulfide and sodium acetate…

A: This question can be solved as:

Q: A student has mixed the solutions of lead (II) nitrate and potassium iodide.(i) What was the colour…

A: Types of chemical reactions- There are five types of chemical reactions- 1. Combination reaction-A…

Q: To dilute 250.0 mL of 1.00 M HCl to a concentration of 0.200 M, what must the final volume of the…

A: M1 x V1 = M2 x V2 Where, M1 = initial concentration;  V1 = initial volume             M2 = final…

Q: A 500 mg sample contains FeCl3 and MgCl2. Ammonia was added to the sample to precipitate the…

A: A numerical problem based on quantitative analysis, which is to be accomplished.

Q: نقطتان )2( the Gravimetric analysis can ----:consider as The quantitative methods that are based on…

A: Gravimetric analysis:

Q: A solution contains an unknown mass of dissolved silver ions. When potassium chloride is added to…

A: Let the solution contain the compound AgX. When KCl is added to the solution, the following reaction…

Q: What is the dilution factor that gave the following solutions from Solution S? (i) Solution 1: (ii)…

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Q: soluble

A: In this question we have to describe which of the following substance are soluble in water with…

Q: A solution of 300.0 mL of 0.150 M Nickel (II) sulfate is mixed with a solution of 100.0 mL of 0.200…

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Q: In an accident, a solution containing 745 grams of nitric acid was spilled. To clean it up 900 grams…

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Q: A 249.3-g sample of ground water is analyzed for calcium. The Ca2+ in the sample is first…

A: Given the mass of groundwater sample taken for analysis = 249.3 g  mass of Ca2P2O7 precipitate…

Q: A student, performing the same experiment as you, recorded the following information. The original…

A: The balanced reaction of acetic acid v/s NaOH is as follows: CH3COOH+NaOH→CH3COONa+H2O Determination…

Q: A 1.00 g sample of soil containing MgCl2 (95.3 g/mol) was dissolved in 50 ml distilled water. This…

A: Given that-mass of sample=1.00 g soilwhich contrain=P1g Cl295.3 g/molvolume of water=50 mLAgCl…

Q: a) Tiffany received a pesticide sample and was asked to analyse its arsenic content. Sample was…

A: Given that -  Mass of pesticide sample = 1.134 g = 1134 mg Mass of Mg2As2O7 = 135.8 mg  Molar mass…

Q: 5. A 0.331 g sample of aspirin prepared in the laboratory was dissolved in 95% ethanol and titrated…

A: a) The number of moles is calculated as, 0.107 M NaOH = mol/ 0.0167 Lmol= 0.107 mol/L x 0.0167 L =…

Q: 16.0 g of a lead containg sample was dissolved water and an excess of sodium sulfate was added to…

A: Q.1: The Pb2+(aq) cation present in the sample reacts with sulfate ion, SO42-(aq) to form PbSO4(s)…

Q: For the synthesis of hexaaminnikel (II) chloride, 1.75 g of nickel (II) chloride hexahydrate is…

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Q: For the synthesis of hexaaminnikel (II) chloride, 1.75 g of nickel (II) chloride hexahydrate is…

A:

Q: 100.0 ml. of 0.800 M KI solution is mixed with 100.0 ml. of 0.500 M Pb(NO), solution. How many grams…

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Q: excess silver nitrate is added to 100.0 mL of a solution containing barium ions to produce 1.84 g of…

A: C.   1.28 x 10 -1 M

Q: When answering this problem, report the answer with the appropriate number of significant figures.…

A: Given: Volume of sample = 6.5 mL Volume of water added = 50 mL Concentration of NaOH = 0.5824 molar…

Q: A 21.25 g of a mixture of the solid salts, sodium chloride and lead II nitrate, is added to…

A: The balanced Chemical equation for precipitation of lead (II) Chloride is - 2NaCl(aq) + Pb(NO3)2(aq)…

Q: A gravimetrical analysis is done with an unknown sample containing MBSO4. A 0.5020-g solid mixture…

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Q: When answering this problem, report the answer with the appropriate number of significant figures.…

A: Balanced reaction between H2SO4 and NaOH is: Calculation of no. of moles of NaOH:

Q: A sample contains MgCl2 (95.211 g/mol) and KCl (74.551 g/mol). A 6.6933-g sample was dissolved in…

A: Mass of sample = 6.6933 g The sample contains KCl and MgCl2 which will furnish Cl- in the solution.…

Q: Use the solubility rules from your textbook to answer the following questions regarding mixtures of…

A: (1) If a test tube mixture contain Ca2+ and Ag+ion containing salt. Now if we add sodium chloride…

Q: If 0.326 g of aluminum chloride dissolved in water and the whole solution was reacted with excess…

A: The net ionic equation is defined as the equation in which only those chemical species are shown…

Q: Using dimensional analysis, solve the following. How many grams of PbCl2 will precipitate when…

A: The amount of PbCl2 will precipitate is to be calculated

Q: The mass percent of chloride ion in a 25.00 mL sample of seawater was determined by titrating the…

A: 25. The balanced chemical equation  is  AgNO3 (aq) + Cl- (aq) → AgCl (aq) + NO3- (aq)

Q: When answering this problem, report the answer with the appropriate number of significant figures.…

A: Molarity of NaOH (mol/L )= Moles of NaOH / volume of NaOH (in L) moles of NaOH = Molarity of NaOH…

Q: Barium can be analyzed by precipitating it as BaSO4BaSO4 and weighing the precipitate. When a  0.265…

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Q: A. Write a net ionic equation for the reaction that occurs when excess nitric acid (aq) and…

A: A) The reactants given are nitric acid (aq) i.e. HNO3 (aq) and copper (II) carbonate i.e. CuCO3 (s).…

Q: Calculate the volume (mL) of 1.0 M metal nitrate solution required to prepare 5.0 g of the COBALT…

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Q: A titration is performed to determine the amount of sulfuric acid, H2SO4, in a 6.5 mL sample taken…

A: