Many metal ions are precipitated from solution by the sulfide ion. As an example, consider treating a solution of copper(II) sulfate with sodium sulfide solution.  CuSO4(aq) + Na2S(aq)-> CuS(s) + Na2SO4(aq)  What volume of 0.144 M Na2S solution would be required to precipitate all of the copper(II) ion from 27.6 mL of 0.100 M CuSO4 solution?

Q: Many metal ions are precipitated from a solution by the sulfide ion. As an example, consider…

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Q: Consider the reaction: CaCl:(aq) + 2AgNO3(aq) → Ca(NO3)>(aq) + 2A9CI(s) How many grams of CaCl2…

A: For this question, first find out moles of AgNO3 using molarity formula. Then use mol to mol ratio…

Q: You prepare a standard NaOH solution for the laboratory, using potassium hydrogen phthalate…

A: The concentration of NaOH solution is; nKHP=MNaOH×VNaOHMNaOH=mKHPMMKHP×VNaOH×1000 mL1 L=0.750…

Q: Many metal ions are precipitated from solution by the sulfide ion. As an example, consider treating…

A: Given: The reaction is as follows, CuSO4(aq) + Na2S(aq) → CuS(s) + Na2SO4(aq) Molarity of Na2S…

Q: o analyze the alcohol content of a certain wine, a chemist needs 0.57 L of an aqueous 0.367 M K 2Cr…

A: Solution - According to the question - Given - Volume of K2Cr2O7 solution = 0.57 L Molarity…

Q: Question attached

A: Volume of H3PO4 = 10 mL or 0.01 L Molarity of H3PO4 = 0.196 M Moles of H3PO4 =Molarity ×Volume=0.196…

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A: Here we are using KHP (1.55 g) to standardize NaOH solution.  After standardization of NaOH…

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A: The reaction for the process is : Ba(NO3)2 (aq)  +  K2CrO4 (aq)  →  BaCrO4 (s)  +  2KNO3 (aq) Barium…

Q: 9.A A process called selective precipitation allows for one ion to be removed from a solution…

A: A question based on analytical separations that is to be accomplished.

Q: a. The reaction between hydrochloric acid and sodium carbonate is given by the equation 2 HCI (aq) +…

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

A: Chloride or sulfate salts of different cations have different solubility in aqueous solution, Based…

Q: A solution of NaCl(aq) is added slowly to a solution of lead nitrate, Pb(NO3)2(aq) , until no…

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Q: A sample containing NaCl, NaBr, and inert materials weighs 1.000 g. With excess AgNO3 it gives a…

A: Given that: Mass of  NaCl+ NaBr = 1.000 g Mass of precipitate = 0.5260 g AgBr is converted to AgCl,…

Q: Calcium Chloride (CaCl,) freely dissolves in water by the following equation. 2+ CaCl, (s) → Ca“…

A: We have to find concentration of Cl-

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

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Q: Consider an analyte solution of 50.0 mL of 0.050 M hydrochloric acid, HCl, titrated against 0.10 M…

A: Given, Analyte solution of 50.0 mL 0.050 M HCl ,titration with 0.10 M NaOH .

Q: A 1.04 g sample of KBr is dissolved in water to give 155 mL of solution. This solution is then added…

A: 1) Mass of KBr = 1.04 gCalculation of no. mol of KBr:n = given massmolar mass    = 1.04g119.002…

Q: In the analytical chemistry laboratory, Ramli has to perform a titration of barium chloride (BaCl2)…

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Q: Suppose an EPA chemist tests a 250. mL sample of groundwater known to be contaminated with cadmium…

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Q: Consider the net ionic equation: Cr2O72- + 6Fe2+ + 14H+ = 2Cr3+ + 6Fe3+ + 7H2O. If it takes 26.0 mL…

A: The number of moles is defined as the mass-to-molar mass ratio of a substance. It is represented by…

Q: hat is the formula of the precipitate that forms when aqueous Fe(NO3)3 and aqueous NaCO3 are mixed?

A: Double displacement reaction-in reaction positive and negative ions of two ionic compounds displaces…

Q: A 55.5mL sample of 0.104M potassium sulfate solution is mixed with 35.5mL of a 0.104M lead(II)…

A: Interpretation: From the given information theoretical yield of PbSO4 in grams is to be determined.…

Q: What mass of Na2 CrO4 is required to precipitate all of the silver ions from 65.0 mL of a 0.600 M…

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Q: Iron ions can be removed from a iron(III) sulfate solution, Fe2(SO4)3(aq), by precipitating them…

A: A question based on mole concept, which is to be accomplished.

Q: What minimum mass of copper (II) nitrate must be added to 20.0 mL of a 0.0387 M phosphate solution…

A: Volume of phosphate solution = 20.0 ml Molarity of phosphate solution = 0.0387 M Molar mass of…

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: 255 mL of a 0.180 M aqueous solution of silver (I) nitrate is mixed with 145 mL of a 0.120 M aqueous…

A: Balanced equation: 3AgNO3 (aq) + Na3(PO4)(aq) = Ag3(PO4) (s) + 3NaNO3 Number of mmols = Molarity x…

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

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Q: A 1.054-g sample of KHP (potassium hydrogen phthalate, KHC3H404; molar mass = 204.22 g/mol) is…

A: Molarity of a solution is the number of moles of solute upon the volume of the solution in liters.…

Q: The concentration of SO42–(aq) in a sample of river water can be determined using a precipitation…

A: Given,Volume = 6.0 mlConcentration of Ba2+ = 0.00100 M

Q: You have a solution that is either CuCl2 (aq) or Cu(NO3)2 (aq).  You add some KOH (aq) and a solid…

A: Given: CuCl2 or Cu(NO3)2  is added to the aqueous KOH, a solid precipitate is formed.

Q: The reaction between hydrochloric acid and sodium carbonate is represented by the equation 2HCI(ag)…

A: Given: Volume of hydrochloric acid=50 ml Volume of sodium carbonate=25 ml Concentration of sodium…

Q: One way in which the useful metal copper is produced is by dissolving the mineral azurite, which…

A: Answer :- 0.524 g/L The original concentration of copper(II) sulfate in the sample is 0.524 g/L…

Q: Using the solution Pb(NO3)2(aq) at 2x10-3 mol/L, and Na2SO4(aq) at 2x10-3 mol/L: - give the chemical…

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Q: The reaction between hydrochloric acid and sodium carbonate is represented by the equation 2HCI(ag)…

A: Chemical equation: Na2CO3 (aq) + 2 HCl (aq) → 2 NaCl (aq) + CO2 (g) + H2O (l)  1 mol              2…

Q: Suppose an EPA chemist tests a 250. mL sample of groundwater known to be contaminated with iron(III)…

A: Answer: This question is based on stoichiometric calculation. First of all we will calculate the…

Q: The solubility product for Mg3(PO4)2 is 6.3 x 10‒26. What is the solubility of Mg3(PO4)2 in pure…

A: The expression for Ksp calculation is as shown below:…

Q: Calculate the number of milliliters of 0.754 M KOH required to precipitate all of the Zn2+ ions in…

A: calculate number of moles of Zn(NO3)2 1 mole of Zn(NO3)2 react with 2moles of KOH to form 1 mole…

Q: Suppose that 42.00 mL of 0.150 M NaOH is added to 0.360 g of a weak acid, H3A.  The excess NaOH is…

A: Millimol = Molarity×Volume(in ml) = mass(in mg)÷molar mass

Q: The concentration of borax (Na2B4O5(OH)4) in aqueous solution can be determined through titration…

A: #Q.1: The required mole ratio from the balanced chemical equation is: 1 mol B4O5(OH)42-(borax)2 mol…

Q: Barium sulfate, BaSO4(s), is insoluble in water and can be formed according to the net ionic…

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Q: A solution of NaCl(aq) is added slowly to a solution of lead nitrate, Pb(NO3)2(aq), until no further…

A: Solution stoichiometry involves the calculation of concentration of solutions in the given…

Q: In the photographic developing process, silver bromide is dissolved by adding sodium thiosulfate.…

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Q: You prepare a standard NaOH solution for the laboratory, using potassium hydrogen phthalate…

A: The Question involves concepts of quantitative analysis. we have to calculate percentage of vitamin-…

Q: A solution contains one or more of the following ions: Ag+, Ca2+, and Co2+. Lithium bromide is added…

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Q: Calcium oxalate is very insoluble in water.  What mass of sodium oxalate is required to precipitate…

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Q: You prepare a standard NaOH solution for the laboratory, using potassium hydrogen phthalate…

A: The question is based on concepts of titration. first, we standardise sodium hydroxide solution by…

Q: A student prepares a solution by dissolving 7.46 g of solid KOH in enough water to make 550.0 mL of…

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Q: A student is titrating a vinegar solution to determine the acetic acid (HC2H3O2) content. They add…

A: We can solve this question using the equation,  M1V1 = M2V2

Q: You prepare the analyte from 0.507 g of the  KHPKHP  mixture. You then require 11.35 mL of 0.101 M…

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