What is the cobalt(II) ion concentration in a solution prepared by mixing 419 mL of 0.382 M cobalt(II) nitrate with 379 mL of 0.314 M sodium hydroxide? The Ksp of cobalt(II) hydroxide is 5.92 × 10 – 15. [Co**] =

Q: A solution of phosphoric acid (HsPO.) with a known concentration of 0.250 M H.PO, is itrated with a…

A: Acid-base reaction :  H3PO4  + 3 NaOH  -->  Na3PO4  + 3 H2O  At equivalents point  Ma Va / na…

Q: A solution contains 1.16x102 M silver acetate and 5.98×103 M calcium nitrate. Solid sodium chromate…

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Q: A 40.0 mL volume of 1.80 Fe(NO3)3 is mixed with 21.5 mL of 0.808 M Fe(NO3)3 solution. Calculate the…

A: Given, A 40.0 mL volume of 1.80 Fe(NO3)3 is mixed with 21.5 mL of 0.808 M Fe(NO3)3 solution, i.e.…

Q: Calcium oxalate, CaCO4, is very insoluble in water. What mass of sodium oxalate,Na2C2O4, is required…

A: Given: Volume of CaCl2 = 37.5 ml Molarity of CaCl2 = 0.104M

Q: Calculate the number of milliliters of 0.750 M NaOH required to precipitate all of the Cr²+ ions in…

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Q: A chemist weighs out 0.338 grams of a unknown diprotic acid into a 122 volumetric flask and makes a…

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

A: It is acid-base titration. We knew that sodium hydroxide is not the primary standard solution. So we…

Q: A solution contains 0.0280 M Pb2+(aq) and 0.0280 M Sr2+(aq). If you add SO2−4(aq), what will be the…

A: Given: Concentration of Pb2+ = 0.0280 M = concentration of Sr2+

Q: A 190.0 mL solution of 2.765 M strontium nitrate is mixed with 215.0 mL of a 3.581 M sodium fluoride…

A: Formula used :-  Number of moles(n) = concentration (mol/L) × volume (L)

Q: An analyst is given 215 mL of a 0.781mol/L calcium perchlorate. How many mL of a 0.60O0M ammonium…

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Q: Solid ammonium carbonate is slowly added to 175 mL of a 0.0585 M lead nitrate solution. What is the…

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Q: A solution contains 0.0490 M Ca²+ and 0.0980 M Ag*. If solid Na3PO4 is added to this mixture, which…

A: GivenCa2+ = 0.0490 MAg+ = 0.0980 MKspCa3(PO4)2 = 2.07 * 10-33Ca3(PO4)2 → 3 Ca2+ + 2…

Q: 32.23 mL volume of 1.21 M Fe(NO3)3 is mixed with 45.4 mL of 0.75M Fe(NO3)3 solution. Calculate the…

A: Given, Note: 1000 mL = 1 L Solution -I Concentration of Fe(NO3)3 solution = 1.21 M = 1.21 mol/L…

Q: A solution contains 1.33x102 M chromium(III) nitrate and 7.29×10-3 M iron(II) acetate. Solid…

A: I

Q: Use the solubility rules listed in Section 8.3B to predict whether each of the following ionic…

A: Since you have posted multiple sub-parts, the answer for first three sub-parts are given below.…

Q: How many grams of magnesium hydroxide will precipitate if 25.0 mL of 0.235 M magnesium nitrate with…

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Q: 100.0 mL of 0.60 M aqueous Pb(NO3)2 is mixed with excess aqueous Kl. What is the chemical formula of…

A: Given :-  Molar concentration of Pb(NO3)2 solution = 0.60 M  Volume of Pb(NO3)2 solution = 100.0 mL…

Q: An impure sample of potassium hydrogen phthalate (KHP) was titrated to determine the percent…

A: We will use stoichiometry of the reaction to get the answer.

Q: An aqueous solution of silver acetate, AgC2H3O2, 50.0 mL and 0.300 M, is mixed with 25.00 mL of…

A: Chemical reaction equations give the ideal stoichiometric relationship among reactants and products.…

Q: What is the molar concentration of Cl– in a solution prepared by diluting 12.5 mL of a 0.100 M…

A: Molar concentration of Cl-

Q: What is the nickel ion concentration in a solution prepared by mixing 381 mL of 0.395 M nickel…

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Q: Calculate the number of milliliters of 0.582M Ba(OH)2 required to precipitate all of the Ca2+ ions…

A: Molar concentration is a unit of measurement for the concentration of a chemical species,…

Q: 2 Fe(OH);(s) + 3 H,SO,(aq) → Fe,(SO,)3(aq) + 6 H,O(1) a) In the first trial, she attempted to…

A: To do the calculations , we would use dimensional analysis method . We would consider the mole ratio…

Q: You have a sample of cheese that has rat poison in it. The active ingredient or the rat poison is…

A: A sample of cheese having Tl2SO4 as the active ingredient, whose percentage is to be determined.

Q: We prepare a solution by mixing 0.10 L of 0.12 M sodium chloride with 0.23 L of a 0.18 M MgCl2…

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Q: You have a solution of 1M BaCl2 and another of 1M Hg2(NO3)2. If you poured them together, what…

A: 1. In double displacement reaction,  cation of one species easily replaces cation of another species…

Q: A solution with a total volume of 1000.0 mL contains 37.1g Mg(N03)2. If you remove 40.0 mL of this…

A: Please see the attached images for answer

Q: How many milliliters of 0.366 M KOH are needed to react completely with 44.1 mL of 0.161 M FeCl2…

A: Number of mmol = Molarity x Volume (mL) From the net ionic equation: Number of mmol of KOH = 2 x…

Q: A 1.0 sample of an aqueous solution contains 0.10 mol of NaCl and 0.10 mol of CaCl 2.What is the…

A: Given -Volume of soliution - 1 LMoles of NaCl in solution = 0.10 molMoles of CaCl2 in solution =…

Q: Calculate the number of milliliters of 0.761 M KOH required to precipitate all of the Cr* ions in…

A: Given  Molarity of KOH solution  =  0.761 M  Molarity of CrCl3 solution =  0.502 M  Volume of CrCl3…

Q: A solution contains 0.0480 M Ca²+ and 0.0990 M Ag*. If solid Na;PO4 is added to this mixture, which…

A: Given information: Concentration of calcium ions = 0.0480 M Concentration of silver ions = 0.0990 M

Q: 2. Calculate the volume in ml of 0.842 M sodium hydroxide required to precipitate as copper(II)…

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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…

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Q: A solution contains 1.34x102 M silver nitrate and 1.45x10 M barium acetate. Solid potassium…

A: Hi, since there are multiple questions posted we will provide you with answers for the first…

Q: What is the cobalt(II) ion concentration in a solution prepared by mixing 351 mL of 0.372 M…

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Q: What mass of Fe(OH)3 will be obtained when 100. mL of 0.240 M FeClz is mixed with 200. mL of 0.182 M…

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Q: You mix 150 mL of a 2M Mg(NO3), solution with 100 mL of a 1M K2CO3 solution. What is the…

A:

Q: Phosphoric acid, H3PO4, in a solution was neutralized by titration with a barium hydroxide,  Ba(OH)2…

A: molarity is defined as no of moles of solute devided by volume of solution in liter.

Q: 2. Calculate the volume in ml of 0.842 M sodium hydroxide required to precipitate as copper(II)…

A: Given:  Molarity of sodium hydroxide (NaOH) = 0.842 M  Molarity of copper sulphate ( CuSO4) = 0.635…

Q: You mix 275.0 mL of 1.20 M Pb(NO3)2 with 300.0 mL of 1.85 M KI. Calculate the mass of precipitate.

A: Given data : Concentration of Pb(NO3)2 = 1.20 M Volume of Pb(NO3)2 = 275 mL Concentration of KI =…

Q: A chemist mixes 1.63 L each of 0.195 M Na2CO3 and 0.390 M CaCl2 in a beaker. What is the…

A: The concentration of carbonate ion, CO32−, in the final solution is 0.0975 M

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

A:

Q: Calculate the number of milliliters of 0.580 M Ba(OH)2 required to precipitate all of the Cu2+ ions…

A: Molarity = no.of moles / volume of Solution in L

Q: copper (II) ion is precipitated from solution by adding 3.00 M NaOH(aq) resulting in a blue…

A: We will use neutralisation concept

Q: Calculate the number of milliliters of 0.800 M KOH required to precipitate all of the Fe +2 ions in…

A: The number of millilitres of 0.800 M KOH required to precipitate all of the Fe +2 ions in 117 mL of…

Q: A 25.0 ml portion of a 0.2450 M NH4Cl solution is added to 55.5 mL of 0.1655 M FeCl3. What is the…

A: Given  Molarity of NH4Cl = 0.2450 M  Volume of NH4Cl solution = 25.0 mL = V1 0.025 L  Moles of NH4Cl…

Q: A solution contains 1.33×102 M chromium(III) nitrate and 7.29x10³ M iron(II) acetate. Solid…

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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: Consider the reaction of 30.0 mL of 0.229 M BaI₂ with 20.0 mL of 0.315 M Na₃PO₄. Since the…

A: When BaI2 (barium iodide) reacts with Na3PO4 (sodium phosphate) then precipitate of Ba3(PO4)2…