that contains 0.015 M Ni2+ ions and 0.015 M Ca2+ ions. You slowly add Na2CO3 to the solution. What concentration of Na2CO3 must be added to precipitate the CaCO3 (Ksp = 5.0 × 10–9) from the solution without precipitating any NiC

Q: A 40.0 mL sample of 0.25 M KOH is added to 60.0 mL of 0.15 M Ba(OH)2. What is the molar…

A: From KOH , The balanced chemical equation involved = KOH ⇔ K+1 + OH-1Given in the question Molarity…

Q: A 25.0 mL solution of 1.00 M CaCl2 is diluted to 250.0 mL. Then, 30.0- mL aliquot of the diluted…

A:

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

A:

Q: Students were responsible for conducting 4 trials of titration of 15 mL samples of phosphoric acid…

A: Using the stoichiometry i.e. the mole ratio of Sr(OH)2 to H3PO4 , concentration of H3PO4 can be…

Q: A student added 0.20 mol of NaI and 0.40 mol of KI to 3 L of water to create an aqueous solution.…

A: We need to just write the equation and by applying simple unitary method we can get the answer.

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

A:

Q: A solution contains 0.0140 M Pb2+(aq) and 0.0140 M Sr2+(aq). If you add SO2−4(aq), what will be the…

A: Ion that has lower value KSP , will precipitate first as its ionic product will overcome the KSP…

Q: A solution contains 0.0330 M Pb2+(aq) and 0.0330 M Sr2+(aq). If you add SO42−(aq), what will be the…

A: If concentration of  cationic part and concentration of anionic part is same for both ,the which…

Q: What mass of NaCrO4 is required to precipitate all of the silver ions from 75.0 mL of a 0.100 M…

A: NOTE: please note that molecular formula of sodium chromate indicated is wrong. I have used the…

Q: 6.) 200.0 mL of a 0.435 M Mg(NO3)2 solution was mixed 300.0 mL of 0.715 M NaOH solution. This…

A: Volume of Mg(NO3)2 = 200ml Concentration of Mg(NO3)2 = 0.435M Volume of NaOH = 300ml Concentration…

Q: A 185.0 mL sample of 1.200M Pb(NO3)2 is mixed with 139.50 mL of 1.500 M NaCl, and the PbCl2…

A:

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

A: The balanced chemical reaction is given as: H2C2O4 (s) + 2 NaOH (aq) → Na2C2O4 (aq) + 2 H2O (l)

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: What mass of silver carbonate (MW = 275.75 g/mol) precipitates when 18.0 mL of 3.2M silver acetate…

A: Molarity = number of moles of solutevolume of the solution (in ml)×1000Number of moles of solute =…

Q: A solution is 1.5×10-2 M in Ba?+ and 1.8×10-2 M in Ca²+. Consider that Ksp (BaSO4) ==1.07 × 10¬10…

A: Given : [Ba+2] = 1.5 x 10-2 M  [Ca+2] = 1.8 x 10-2 M  Ksp(CaSO4) = 7.1 x 10-5  Ksp (BaSO4) = 1.07 x…

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…

A:

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: If you wish to precipitate Ag* from a 3.5 x 10-4 M solution, which of the following solutions could…

A: Reaction quotient (Qsp): It is the ratio of the concentration of products and reactants present at a…

Q: To determine the percentage of bromide in a mixture containing a soluble bromide salt, the procedure…

A: Given : Mass of filter paper = 1.3587 g Mass of sample taken = 0.7893 g And mass of filter paper…

Q: Does a precipitate form if you add 20.00 mL of a 6. 97x10-5 mol/L solution of lead (II) nitrate,…

A: Given,  Molarity of Pb(NO3)2 = 6.97 x 10-5 mole/L  Volume of Pb(NO3)2 in mL = 20.00 mL  Molarity of…

Q: A careless student forgets to label one of their reagent containers. They know it contains one of…

A: The given solution may be one of the following: 0.1 M NaCl0.1 M CaNO320.1 M KCH3COO

Q: What volume (mL) of 0.0.214 M (NH4)2HPO4 is necessary to precipitate the calcium as Ca3(PO4)2 from…

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 55.0 mL sample of 0.102M potassium sulfate solution is mixed with 35.0 mL of a 0.114M lead(II)…

A: The given balanced equation is given along with the calculation of moles as follows,

Q: NH 3 can be supported by the solubility curves shown? Which inference about Solubility Curves 150…

A: We are given the solubility curve for the solubility of different ionic compounds and gases.  The…

Q: The solubility of magnesium flourish in water is 1.5*10-2 g/L. What is the solubility in grams per…

A:

Q: A 185.0 mL sample of 1.200 M Pb(NO3)2 is mixed with 123.50 mL of 1.500 M NaCI, and the PbCl2…

A: Molarity of Pb(NO3)2 = 1.200 M  Volume of of Pb(NO3)2 =  185.0 mL = ( 185.0 / 1000 ) L = 0.185 L…

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

A: The balanced equation for the reaction is   Co+2 (aq) + 2 OH– (aq) -----------> Co(OH)2 (s)…

Q: What mass of the precipitate  is produced in the reaction of  15.0 ml of 0.150 M  Na3PO4     and…

A:

Q: Give all answers online to 3 significant figures.   115.0 mL of 0.175 M KOH is mixed with 175.0 mL…

A: GivenMolarity of KOH = 0.175 MVolume of KOH = 115.0 mL = 0.115 LMoles of KOH = Molarity of KOH *…

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…

A:

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

A:

Q: A solution contains 0.0490 M Ca²+ and 0.0920 M Ag*. If solid Na3PO4 is added to this mixture, which…

A: When sodium phosphate is added to a solution containing Ca2+ and Ag+ ions, some amounts of calcium…

Q: A K2SO4•Al2(SO4)3•24H2O preparation is tested for its purity by converting first to Al(OH)3 then…

A: The answer and explanation is as given below:

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 sample of solid Ca(OH)2 was stirred in water at a certain temperature until the solution contained…

A:

Q: A student was given 2 beakers labeled with numbers 1 and 2, each beaker contains a clear solution.…

A: Limiting reagent is a reactant that get totally consumed at the end of the reaction. Limiting…

Q: CaCl2(aq) is reacted with 125.0 mL of 0.17M  solution of Na3PO4(aq) Given the reaction : 2Na3PO4(aq)…

A:

Q: If you add 4.00 mL of pure water to 6.00 mL of 0.750 M NaCI solution, what is the concentration of…

A: During dilution, no moles remain the same. As no of moles = Molarity × Volume So, on dilution…

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) A chemical formula that precipitates with both KCl and CuCl2? b) A chemical formula that…

A:

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: Calculate the mass of MgCO3 precipitated by mixing 10.00 mL of a 0.200 M Na2CO3 solution with 5.00…

A: The following reaction is occurring: Determine the moles of Na2CO3 present in the reaction as shown…

Q: Calculate the mass of MgCO3 precipitated by mixing 10.00 mL of a 0.200 M Na2CO3 solution with 5.00…

A: Given: Volume of Na2CO3     = 10.00 mL Molarity of Na2CO3    = 0.200 M Volume of Mg(NO3)2  = 5.00 mL…

Q: A 185 mL sample of 1.20 M Pb(NO₃)₂ is mixed with 99.5 mL of 1.50 M NaCl, and the PbCl₂ precipitate…

A: Writing balanced equation for the first precipitationPb(NO3)2  (aq) + 2 NaCl (aq)  →PbCl2 (s) + 2…

Q: 30. Equal volumes of 0.10 M AGNO3 solution and 0.075 M NaCI solution is poured into a beaker. What…

A: