Combining aqueous solution of BaBr2 and Cs2SO4 affords a precipitate of BaSO4. Which ion(s) is/are spectator ions in the reaction? Select one: Cst and Br O Ba2+ only So,2 and Br Cst only Ba2+ and SO,2
Q: +2 When excess Na, so, solution was added to 20.0 mL of an unknown solution containing Ca 0.0472 g…
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Q: An aqueous solution of Mg(NO3)2 and NaOH generates the solid precipitate Mg(OH)2. Which of the…
A: Mg (NO3)2 (aq)+ 2 NaOH (aq)------------------> Mg(OH)2 (s) + 2NaNO3(aq)
Q: What are the spectator ions of Al2(SO4)3 + NaOH?
A: Spectator ions are dissociated ions in aqueous solution that shows up in the complete ionic equation…
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: When 25 mL of 0.800 M Ca(NO3)2 is added to 75.0 mL of 0.600 M NaF, CaF2 precipitates. What is the…
A: In this question, we have to find out the correct answer of given problem by the help of the…
Q: When aqueous ammonium carbonate - (NH4)2CO3 - and aqueous lead(II) nitrate - Pb(NO3)2 - are…
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Q: What mass of precipitate (in g) is formed when 250.0 mL of 0.200 M CoCl₂ is mixed with excess KOH in…
A: The balanced equation is given as; CoCl2(aq) + 2 KOH (aq)→Co(OH)2(s)+2KCl(aq) From the question,…
Q: Which ion(s) is/are spectator ions in the formation of a precipitate of BasO, through combining…
A: Atoms lose or gain one or more electrons to become an ion. If gain of electrons, takes place, it…
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A: First write down the reaction of Co(NO3)2 with K2SO4 and check the product side of reaction whether…
Q: How many grams of Ag,CO3 will precipitate when excess (NH4)½CO3 solution is added to 57.0 mL of…
A: Given Molarity of AgNO3 = 0.561 M = 0.561 mol/L Volume = 57 mL…
Q: 100. mL of 0.10 M CaCl, is mixed with 50.0 mL of a 0.10 M solution of either Al,(SO,), Na,SO, or…
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Q: A student combines an aqueous solution of Pb(NO3)2 with an aqueous solution of Nal; a precipitate…
A: Spectator ion: Spectator ion in a reaction is a ion that is present in both reactant and product…
Q: In the reaction between FeCl3 and NaOH, the spectator ions are A) Fe3* and CI" B) Fe3* and OH C) Na*…
A: Spectator ions are those which remains unchanged (Concentration of ions) after the completion of…
Q: What mass of NaOH is needed to precipitate the Cd2+ ions from 37.0 mL of 0.500 M Cd(NO3)2 solution?
A: Given:Volume of Cd(NO3)2 solution = 37.0 mL = 0.037 L.Molarity of Cd(NO3)2 solution = 0.500 M.
Q: Write complete ionic and net ionic equations to show the reaction of aqueous 〖Hg_2 〖(NO〗_3)〗_2 with…
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Q: Zn(OH), MgCl, AICI, KBr| NaCI Hg,I, KNO, Cu(NO,)2 BaSO4 Soluble Insoluble
A: Ionic compounds are very much soluble in water.As water is polar protic solvent.And for the salts…
Q: Which of the following lead (II) compounds would yield the smallest number of lead (II) ions when…
A: Ksp for PbS 3.2 x 10-28 Ksp for PbSO4 = 1.8 * 10-8 Ksp for PbCrO4 = 1 * 10-16
Q: Separate samples of a solution of an unknown salt are treated with dilute solution of AgNO3,…
A: Generally CO32- forms insoluble salts except for group I NH4+ ions. The reaction of carbonate ion…
Q: See Periodic Table O See Hint Excess Na SO4(aq) is added to a 2.77x102 mL sample of industrial waste…
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Q: What volume (mL) of 0.0.214 M (NH4)2HPO4 is necessary to precipitate the calcium as Ca3(PO4)2 from…
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Q: If the following ions Ca2+, Br", Nat and NO, are all dissolved in the same solution, then a…
A: The ions given are Ca2+, Br-, Na+ and NO3-.
Q: 1- In the following reaction, what are the spectator lons? Pb(NO,),(aq) + 2NaCI(aq) PhC(s) 2NaNO…
A: Lead nitrate reacts with sodium chloride to form the precipitate of lead chloride and an aqueous…
Q: Separate samples of a solution of an unknown salt are treated with dilute solution of HBr, H2SO4,…
A: Solubility rules:Salts formed with group-1 cations and NH4+ cations are soluble. There are some…
Q: Yes or no. Will a precipitate from when solutions of Ba(NO3)2 and KOH are mixed?
A: Given,KOH and Ba(NO3)2
Q: In the reaction between FeCl, and NaOH, the spectator ions are A) Fe3 and Ch B) Fe3 and OH- C) Na*…
A: Given: Reaction between ferric chloride and sodium hydroxide To find: spectator ions Solution:…
Q: Calculate the mass (g) of MgCO3 precipitated by mixing 10.00 mL of a 0.200 M Na2CO3 solution with…
A: The chemical reaction between Na2CO3 and Mg(NO3)2 is shown below.
Q: Which ions are spectator ions in the formation of a precipitate of AgCl via combining aqueous…
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Q: If 860 mLs of 0.407 M K3PO4 are mixed with 746 mLs of 0.557 M Mg(NO3)2, what is the mass in grams of…
A: The precipitation reaction is a type of reaction in which the product condenses as an insoluble salt…
Q: 100 90 80 NaNO 70 CaCl, Pb(NO,)2 60 50 40 KCI NaCi 30 20 10 KCIO, Ce,(SO) O 10 20 30 40 50 60 70 80…
A: This question is related to finding out the amount of solute that is precipitated out at the change…
Q: The spectator ions in the following are: Mg(OH)2(aq) + 2 HCl(aq)…
A: Solution, This reaction belong to acid base chemistry. Spectator ion are those ion which oxidation…
Q: Consider the reaction. 2 NaCl(aq)+Ba(OH),(aq) BaCl, + 2 NAOH Identify the precipitate, or lack…
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Q: 1.0 L of 0.75 M solutions of AgNO3 and BaCl2 are mixed. The following reaction occurs:…
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Q: A solution is prepared by pipetting 25.0 mL of 0.350 M CuCl2 into a 100.0 mL volumetric flask,…
A: Concentration in terms of molarity is defined as the moles of solute present per litre of the…
Q: Fe3+ in 50 mL solution, which is known to contain Fe3+, was precipitated as Fe(OH)3 and after…
A: Given that V = 50.0 mL Mass of Fe2O3 = 0.3994 g
Q: The concentration of SO42– ions in a 60.0 mL sample of seawater is determined by adding a solution…
A: Volume of sea water sample is 60 mL Mass of BaSO4 is 0.448 g Concentration of sulfate in mmol/L =?
Q: What mass of Fe(OH)3 will be obtained
A: Molarity = number of moles of solute/volume of solution (in L) So, moles = Molarity × volume(in L)…
Q: 1.0 L of 0.75 M solutions of AgNO3 and BaCl2 are mixed. The following reaction occurs:…
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Q: +2 When excess Na,so, solution was added to 20.0 mL of an unknown solution containing Ca ion, 0.0472…
A:
Q: Current Attempt in Progress In the reaction, KHS(aq) + HCI(aq) → KCI(aq) + H2S(g), which ions are…
A: The given reaction is, KHS(aq) + HCl(aq) ---> KCl(aq) + H2S(g) The ionic equation for the given…
Q: How do I solve this?
A: The solubility rules as follows,If a compound contains ammonium ion and group IA cations such as…
Q: Which of the following will occur when a solution of Pb(NO3)2(aq) is mixed with a solution of…
A: Answer is - option (2) - a precipitate of PbI2 will, K+ and NO3 - are spectator ions . when a…
Q: Identify the precipitate (if any) that forms when the followingsolutions are mixed, and write a…
A: The chemical reaction in which number of atoms for each element in the reaction and the total charge…
Q: What precipitate forms when aqueous solutions of calcium bromide, CaBr2, and potassium phosphate,…
A: Here, we have to find the precipitate that will be formed when CaBr2 and K3PO4 are mixed.
Q: Concentrated H 2SO 4 (MW = 98.08 g/mol) is 18.0 M and has a density of 1.84 g/mL. What is the…
A: % Concentration =mass of solutemass of solution×100 First calculate the molarity of H2SO4 in the new…
Q: Which of the following ions will most likely form a precipitate when reacted with SO42-? Ba?+ O Na O…
A: Sometimes cations and anions present in the solution react with each other to form precipitates.
Q: A 0.4550-g solid mixture containing MgSO4 is dissolved in water and treated with an excess of…
A: Limiting reagent is the reagent which is consumed in the chemical reaction completely. It decides…
Q: When an aqueous solution of potassium sulfide is combined with an aqueous solution of Iron ()…
A: Chemical reaction is the process in which elements or molecules combine with each other chemically…
Q: How many moles of precipitate are formed when 45.0 mL of 0.450 M CaCl, is mixed with excess K,PO, in…
A: According to the balanced equation, 3 moles of CaCl2 react with 2 moles of K3PO4 to produce 1 mol of…
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- Given A, B, and C… [A] U(VI) as uraninite; UO2 (where Fe2+= reductant; Fe(OH)3 ferrihydrite= product): 2Fe2+ + UO22+ +3H2O + H+ ---- > 2Fe(OH)3 + U4+ +2H2O [B] U(VI) as uraninite; UO2 (where Mn2+= reductant; MnO2 pyrolusite= product): 2H2O + UO22+ + Mn2+ ---- > UO2 + B - MnO2 + 4H+ [C] U(VI) as as uraninite; UO2 (where HS-= reductant; S0= product): UO22+ + Hs- ---- > UO2 + S + H+ QUESTION: Use thermodynamic calculations [use redox potential (Eh)] to predict which of the three reductants below is most favorable at pH 3 ? (1) Fe2+ (2) Mn2+ (3) HS-Around 15 g of Ba(NO3)2 can be dissolved in water. Calculate from that the Ksp for Ba(NO3)2a. Give the molar concentration of hydrochloric acid with a specific gravity of 1.18 andhas 37% (w/w) purity. MW=36.5 b. How would you prepare 1.2 L of 0.40 M hydrochloric acid starting from a 2.0 M solution?
- 1-Why σ2px lie at higher energy level than π2py and π2pz in N2? 2-Discuss the structure of [Ni (CN)6]-2 on base of VBTIn a gaseous RbF molecule, the bond length is 2.274 ×10=10 m. Using data from Appendix F and making thesame oversimplified assumption as in the prior problemon the shape of the potential curve from Rb++ F= to aninternuclear separation of 2.274 3 10=10 m, calculate theenergy in kJ mol-1 required to dissociate RbF to neutralatoms.Calculate the pH of a 0.10M solution of NaHSO4 solution taking into account activity (Ka2 = 1.92 for H2SO4).
- 1. A Cr3+ solution is electrolyzed using a current of0.365 A. What mass of Cr(s) (51.9661) is plated outafter 10 hours?2. When an aqueous solution of CuSO4 is electrolyzedcopper metal is deposited. If a constant current waspassed for 5.00 h and 404 mg of Cu (63.546) metal wasdeposited, what was the current?Quickly plezz!! The levigating agent role in Suppositories manufacturing ??Given: 0.35g NaCl, 0.25 g NaHCO3, 0.15 g KCl & 2 g C6H12O6 are present in 100 mL ORS solution (MW: Na: 23, K: 39, Cl: 35, H: 1, C: 12, O: 16) Calculate the total amount of chloride expressed in mmol/L present in the prepared solution 60.34 mmol/L 90.10 mmol/L a 111.11 mmol/L b 29.76 mmol/L c 80.61 mmol/L d 20.27 mmol/L
- A 1.000-g sample containing bromide was dissolved in sufficient water to give 100.0 mL. A 50.00 mL aliquot was measured and after acidification, silver nitrate was introduced to precipitate AgBr, which was filtered, washed, and then dissolved in an ammoniacal solution of potassium tetracyanonickelate(II): Ni(CN)42- + 2AgBr(s) → 2Ag(CN)2- + Ni2+ + 2Br-50.00 mL remaining solution was analyzed for its Br- content by potentiometry using a metallic electrode of the second kind. a) Write the cell notation of the potentiometric set-up with SCE as the reference electrode. b) Write the Nernst equation that describes the indicator electrode set-up. Ecell recorded in running the solution using the potentiometric set-up was Ecell = 0.0286 V. (E0Ag/AgBr = 0.095 V) c) Compute for Eind. d) Compute pBr in the 50.00 mL aliquot. e) Compute for % NaBr ( in the potentiometric technique).Pyrolusite (MnO2) is dissolved in hydrochloric acid:MnO2 + HCl → MnCl2 + H2O + Cl2The chloride was passed into potassium iodide solution where it liberated iodine:Cl2 + KI → KCl + I2The iodine liberated was estimated by adding sodium thiosulfate, the reaction beingI2 + Na2S2O3 → NaI + Na2S4O6If 5.6 g of crystallized sodium thiosulfate, Na2S2O3 5H2O ,were used up, how many grams of manganese were present?MW (g/mole): I =126.9; Mn =54.94; Cl = 35.45; K = 39.09; Na = 23; S = 32Calculate the ionic strength (j) for a) the solution of AlCl3 (0.01 N) + Ca(NO3)2 (0.002 M) (A=0.51) b) the solution of CH3COOH 0.01 M , Ka = 10-5 M (A=0.51)