A sample weighing 9 g of BaCl2 is dissolved in 700 mL of water, when 50 mL of the sample is titrated with 30 mL of 0.5 N AgNO3 the percentage of chloride Cl- (A.wt = 35.5) in the sample is *

Q: The active ingredient in Antabuse, a drug used for the treatment of chronic alcoholism, is…

A: Starting with the production of H2SO4 from the SO2 and H2O2 the chemical equation is shown below.…

Q: Q12. Which of the following is soluble in water? A. Fe(NO3)2 B. MGCO3 C. Hg,l2 D. CaS Q13. What…

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Q: When 38.0 mL of 0.1250 M H2SO4 is added to 100. mL of a solution of Pb(NO3)2, a precipitate of PbS04…

A: Given: Volume of H2SO4 = 38.0 mL Concentration of H2SO4 = 0.1250 M Volume of Pb(NO3)2 = 100.0 mL…

Q: is the mass of the oxalic acid (diprotic acid) in the sample and what is its mass percent? (0.753 g,…

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Q: A solution containing KCI (74.551 g/mol) is analyzed by the Mohr Method. A 0.8312-g sample is…

A: The volume of AgNO3 required by the sample is 27.99 mL The volume of titrant required to reach the…

Q: 8. When 38.0 mL of 0.1250 M H2S04 is added to 100 mL of a solution of Pbl2, a precipitate of PbSO4…

A: Given data ;  Volume of H2SO4= 38.0 ml  Concentration of H2SO4= 0.1250 M  Mass of PbSO4= 0.0471 g…

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

A: Reaction occurs according to law of chemical equivalency. Number of mols of any substance  =( weight…

Q: 4. What is the pereentage purity of a sample of Al, (SO4)3 if a 0.5000-g sample produced a…

A: Given : Mass of Al2(SO4)3 sample = 0.5000 g And mass of BaSO4 precipitated = 1.000 g

Q: The amount of hydrogen peroxide (H2O2) in a sample of hair bleach was determined by titration with a…

A: Since, Number of moles= Concentration× Volume

Q: 20 mL of a mixture of ferrous sulfate (FeSO4) and ferric sulfate Fe₂(SO4)3 was titrated with 6.5 mL…

A: In this process at first the permanganate consumed will be for only Fe2+. All Fe3+ will be…

Q: In the analysis of a sample for KH2PO4 content, a sample weighing 0.3994 g required 18.28 mL of…

A: Given - Mass of sample = 0.3994 g Volume of KOH solution = 18.28 mL Concentration of KOH solution =…

Q: In the analysis of a sample for KH2PO4content, a sample weighing 0.3994 g required 18.28 mL of…

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Q: When 38.0 mL of 0.1250 M H,SO, is added to 100. mL of a solution of PbI,, a precipitate of Pbso̟…

A: Since PbSO4 is lesser soluble than PbI2, a precipitate of PbSO4 is formed when H2SO4 is treated with…

Q: To determine the amount of a hypothetical compound KHA · H2A 2H2O in a pure sample, Senku asked his…

A: The compound KHA.H2A.2H2A has a total of 3 protons(H+). Hence it is a triprotic acid. #(a): Given…

Q: The iron (II) in an acidified solution is titrated with 0.0317 M solution of KMnO4: 5Fe2+  +MnO4-…

A: The balanced ionic Chemical equation  given in the question is -   5Fe2++MnO4- +8H+ →5 Fe3+ +Mn2+…

Q: A 30 ml solution of I- was treated with 50 ml of 0.365 M AgNO3. The resulting AgI precipitate was…

A: Given: Amount of I- = 30 ml AgNO3 50 ml ( 0.05 L) & 0.365 M Filtrate titrate with 37.60 ml (…

Q: A 1.0 g sample of a substance of unknown molar mass requires 40 ml of standard solution for…

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Q: What is the concentration of FeNCS2+ if 10.00 mL of 0.2 M Fe(NO3)3 and 2.00 mL of 0.002 M NaSCN are…

A: Concentration is the excess of an ingredient in chemistry divided by the overall mixture volume.…

Q: 0.4515-g sample of solid containing a mixture of only CuSO4 SH:O and Hg(NO:) equired 29.52 mL of…

A: Given- Molarity of KSCN = 0.1133 M volume of the KSCN = 29.52 mL Reaction of CuSO4 and KSCN ;…

Q: Tungsten trioxide (WO,) has a rich yellow color and is often used as a pigment in ceramics and…

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Q: The active ingredient in Antabuse, a drug used for the treatment of chronic alcoholism, is…

A:

Q: calculate the mass of primary standard sodium chloride (MM=58.44) necessary to react with 25 ml of…

A: Molarity is a term used for concentration which shows the moles of solute dissolved per liters of…

Q: When 38.0 mL of 0.1250 M H,SO, is added to 100. mL of a solution of PbI,, a precipitate of PbSO,…

A: Given: Concentration of H2SO4 = 0.1250 M Volume of H2SO4 solution = 38.0 mL = 0.038 L…

Q: To determine the amount of a hypothetical compound KHA. H2A 2H2O in a pure sample, Senku asked his…

A:

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: A 10.00-mL solution containing Cl2 was treated with excess AgNO3 to precipitate 0.436 8 g of AgCl…

A: Limiting reagent is the reagent which is consumed in the chemical reaction completely. It decides…

Q: If a 1.25 g sample of magnesium oxide (98.9%) were titrated with 70 ml of 104 N of sulfuric acid…

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Q: How many grams of sample which contains 18.00% Na2O (61.98) should be taken for analysis in order to…

A: A numerical problem based on stoichiometric equation, which is to be accomplished.

Q: A 523.1mg sample of impure KBr is treated with excess AgNO3 and 814.5mg AgBr is obtained. What is…

A: Percentage purity = (mass of the pure chemical / total mass of the sample) x 100%

Q: A solution containing 0.370 g the mineral Iron ( 55.84 g/mole) produced ferrate ion (Feo 4 -2 = Mw…

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

Q: A 1.2516 gram sample of a mixture of CaCO3 and Na2SO4 was analyzed by dissolving the sample and…

A: A 1.2516 gram sample of a mixture of CaCO3 and Na2SO4 was analysed by dissolving the sample and…

Q: 100.0 mL of 0.60 M aqueous Pb(NO3)2 is mixed with excess aqueous KI. What mass of precipitate is…

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Q: 8. When 38.0 mL of 0.1250 M H2SO4 is added to 100 mL of a solution of PbI2, a precipitate of PBSO4…

A: Given:  Volume of H2SO4  solution = 38 ml  Molarity of H2SO4 solution = 0.1250 M  Volume of PbI2…

Q: Q2: A 3.275 g sample of K2CrO4 yielded a precipitate of Cr203 which weighed 1.075 g. Calculate Cr %…

A: From K2CrO4 , Cr2O3 is formed i.e. 2 mol of K2CrO4 will give 1 mole of Cr2O3 in general. % purity…

Q: Calculate the% of Ce (MA 140.115 g / mol) that contains a sample with a mass of 4.37 g that was…

A: Given, MA of Ce = 140.115 g/mol  Mass of sample = 4.37 g   Precipitate formed  is Ce(IO3)4   MW of…

Q: A. calculate the volume of standardized 0.01 M KMNO4(aq). Needed to completely react with ~0.125 g…

A: Calculate the number of moles of potassium ferrioxalate (n) n = Given massMolar massn = 0.125…

Q: 2. What is the N of an HCl solution if 25.03 mL of it requires 29.07 mL of 0.1025 N NaOH for…

A: The dilution law is shown below: N1V1 = N2V2 Where; N1 = normality of known solution V1 = volume of…

Q: A sample of soda ash (impure Na2CO3) is titrated with 0.5000 N H2SO4. If the sample weighs 1.1000 g…

A: Given: The mass of the soda ash sample is 1.10 g. The volume of 0.500 N H2SO4 solution required for…

Q: 5 ml of substance (A) is titrated with 38 ml of 0.1 M of substance (B). if the legal minimum percent…

A: Molarity of substance A can be calculated using the relation: M1V1=M2V2 from molarity, moles of A…

Q: What is the percentage purity a sample of (A12S04)3 if a 0.5000 g sample producted a precipitate of…

A: NOTE : The formula of compound aluminium sulfate is incorrectly given. It will be Al2(SO4)3 and not…

Q: A 0.4960 g sample of a CaCO3 (100g/mol) is dissolved in an acidic solution. The calcium is…

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Q: The iron (II) in an acidified solution is titrated with 0.0317M solution of KMnO4:…

A:

Q: 2.  A sample of primary standard grade K2Cr2O7 (MM = 294.20) weighing 0.2153 g is dissolved, the…

A: Given - Mass of potassium dichromate = 0.2153 g  Molar mass of potassium dichromate = 294.20 g/mol…

Q: To determine the amount of a hypothetical compound KHA. H2A 2H2O in a pure sample, Senku asked his…

A: The solution is given in below image:

Q: What volume of 0.100 M Na3PO4  is required to precipitate all the lead(II) ions from 400.0 mL of…

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Q: How many grams of solid of LiCl (MW 42.471 g/mol) would be left behind if 28.807 mL of 0.550 M KCl…

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Q: 8- An impure 1 g sample of arsenious acid (H3ASO3) is oxidised to H3ASO, by titration with 45 mL of…

A: The question is based on the concept of quantitative analysis. We are  titrating arsenous acid with…

Q: 3. How many mL of 0.125 M Cr** must be reacted with 12.00 mL of 0.200 M MnO4 if the redox products…

A: