A: Given that : For the reaction Ag(aq) + 2NH(aq) Ag(NH)(aq) K = 1.7, General Chemistry - Standalone book (MindTap Course List). Performance Year 1 (March 1, 2018 - December 31, 2018) MGB ACO PY1 Annual Progress Report: Executive Summary (PDF) MGB ACO PY1 Annual Progress Report: Executive Summary (Word) Performance Year 2 (January 1, 2019 - December 31, 2019) MGB ACO PY2 Annual Progress Report: Executive Summary (PDF) Substitute the value of the molar mass of AgBr in the relation given below to evaluate the mass of AgBr as shown: Substitute the values in equation (2) for evaluating the mass of AgBr in grams as: Copyright 2023 StudeerSnel B.V., Keizersgracht 424, 1016 GC Amsterdam, KVK: 56829787, BTW: NL852321363B01, Give Me Liberty! 2$qo-fk,XnJi2!8mV*Gxi@fnj6Th &Sa~L$U+s-N-\Yuva[Qw,L1PHfpPBT(uW^JxoRV~Gg{X>J^+Y5@-fBe2|HhtFAT0''zDi[d`t7@#U[]#'0h|9&-MZs"%RiGGGGZLHDa+GhG4?/~ Making educational experiences better for everyone. The molar mass of AgBr is 187.7 g/mol. This property has allowed silver halides to become the basis of modern photographic materials. Formula weights are especially useful in determining the relative weights of reagents and products in a chemical reaction. Hence, the mass of AgBr that will dissolve in 250.0 mL of 3.0 M NH3 will be 0.41g. What mass of AgBr is formed when 35.5 mL of 0.184 M AgNO 3 is treated with an excess of aqueous hydrobromic acid? Get control of 2022! A link to the app was sent to your phone. The molar mass of Bromine is 79.904 g/mol. The formation constant Kf for the complex ion Zn(OH)42 is 2.8 1015. hbbd``b`$#$ l8 The reaction is has follows: AgNO3 (aq) + HBr (aq) ? From the balanced equation, the mole ratio of AgNO3 to Na2CrO4 is 2:1. Functional groups: D, Ph, Me, Et, Bu, AcAc, For, Ts, Tos, Bz, TMS, tBu, Bzl, Bn, Dmg. (Ag +) = 7.31272 x10-7 [Br"] = 7.31272 x10-7 AgBr mass: Show transcribed image text Expert Answer 100% (4 ratings) What is the solubility of calcium fluoride in a saturated solution of barium fluoride? 107.8682 + 79.904, Element: Bromine This compound is also known as Silver Bromide. Most questions answered within 4 hours. Mass General Brigham experts revealed the 12 emerging gene and cell therapy technology breakthroughs with the greatest potential to impact health care in the next several years. CLICK HERE, Are you an Active Member, an Adult Leader, or a Majority Member? answered 11/10/17, Ph.D. University Professor with 10+ years Tutoring Experience. O NH3 (aq) O KOH (aq) O HCl (aq) O H2SO4 (aq) all of these Previous question Next question The solubility product constant for calcium oxalate is 2.3 109. a 4.8 105 M b 6.6 105 M c 8.0 105 M d 1.1 108 M e 1.2 105 M. Start your trial now! Track your food intake, exercise, sleep and meditation for free. What mass in grams of NaSO3 is needed to dissolve 4.7 g of AgBr in a solution volume of 1.0 L, given that Ksp for AgBr is 3.3 x 10-13 and Kf for [Ag (S03)1 is 4.7 x 103? on treating with cl2, the agbr is converted to agcl, and the total weight of agcl becomes 0.4269 gram. 70.98% is the mass percentage of . The Ksp of AgBr is 5.401013 and the Kf of Ag(CN)2 is 1.001021. Most questions answered within 4 hours. A link to the app was sent to your phone. Most questions answered within 4 hours. 7u:4CgVb4s>ZZ8U(e }Z:@LrFpwk\*kD_zpM`=MDN43)~u/ n"QkZmlt$? A) Co < Ni < Fe < Zn < Al B) Ni < Fe < Co < Zn < Al C) Ni < Co < Fe < Zn < Al D) Fe < Ni < Co < Al < Zn E) Zn < Al < Co < Ni < Fe, Which one of the following is a correct expression for molarity? It can be clearly seen that one mol of AgNO3 gives 1 mol of AgBr. Track your food intake, exercise, sleep and meditation for free. In this question we have to perform the calculation for the saturated solutions and in. endstream endobj startxref Mass of AgBr is formed when 35.5 ml of 0.184 m agno3 is treated with an excess of aqueous hydrobromic acid is 1.23g. (b) The concentration of the first anion species to precipitate, either the sulfate or phosphate, decreases as the precipitate forms. Get Started: Connection + Orientation. Cobalt is more active than nickel but less active than iron. Consider the dissolution of silver iodide: The balanced equation would be: 2Na_2S_2O_3 + AgBr \rightarrow Na_3(Ag(S_2O_3)_2) + NaBr Step Two: Find molar ratio between substances Using the above we can see that the molar . Silver bromide (AgBr) is a soft, pale-yellow, water-insoluble salt well known (along with other silver halides) for its unusual sensitivity to light. : an American History (Eric Foner), The Methodology of the Social Sciences (Max Weber), Educational Research: Competencies for Analysis and Applications (Gay L. R.; Mills Geoffrey E.; Airasian Peter W.), Biological Science (Freeman Scott; Quillin Kim; Allison Lizabeth), Campbell Biology (Jane B. Reece; Lisa A. Urry; Michael L. Cain; Steven A. Wasserman; Peter V. Minorsky), Forecasting, Time Series, and Regression (Richard T. O'Connell; Anne B. Koehler), Principles of Environmental Science (William P. Cunningham; Mary Ann Cunningham), Business Law: Text and Cases (Kenneth W. Clarkson; Roger LeRoy Miller; Frank B. [Ag +] 2 = 5.0 x 10 -13 Taking the square root of both sides of this equation gives the equilibrium concentrations of the Ag + and Br - ions. (a) Which begins to precipitate first: the barium sulfate or the barium phosphate? In general, the solubility, A: The equilibrium constant for a reaction is expressed in terms of the ratio of the concentration of, A: The equilibrium constant for the dissolution of solid salt (substance) into an aqueous solution is, A: The reaction given is a. Molecular weight calculation: Given the equilibria below, determine the mass of AgBr that will dissolve in 200 mL of 0.100 M NaCN. 4 (Ksp x Kf) find solubility of Ag+ and Br- and from that you can then determine the mass of precipitate not dissolved, if any. This answer can then be used in a similar method to obtain the mass of NaBr we started with. What is the molarity of chloride ion in the final solution? The molar mass of GaBr is 309.44 g/mol. First week only $4.99! (molar mass of AgBr = 187.77 g/mole) MgBr2 (aq) + 2AgNO3 (aq) --> 2AgBr (s) + Mg (NO3)2 (aq) 0.985 g 0.493 g 1.97 g 986 g none of these QUESTION 15 Which of the solutions below is a weak electrolyte? endstream endobj 1430 0 obj <0 )/V 2>> endobj 1431 0 obj <>/Metadata 75 0 R/OCProperties<>/OCGs[1457 0 R]>>/OpenAction 1432 0 R/Outlines 118 0 R/PageLayout/SinglePage/Pages 1424 0 R/StructTreeRoot 130 0 R/Type/Catalog>> endobj 1432 0 obj <> endobj 1433 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC]/XObject<>>>/Rotate 0/StructParents 0/Type/Page>> endobj 1434 0 obj <>stream Mass of AgBr that will dissolve in 500.0 ml of 5.30 M NH3 will be. 0.0155 mol/L x 0.500 L x 188 g/mol = 1.46 g AgBr. 7.1 10 mol L V 3.7 10 L V = = answer for the volume of water One point is earned for the correct 2010 The College Board. D) If the same volume of each sample was taken, then more base solution would be required to neutralize the one with lower concentration. Related questions What is the mass of NaBr that will be produced from 42.7 g of AgbR? 2021-2022 Grand Hope. %%EOF . A saturated solution of silver oxalate. What is the molar solubility of calcium oxalate, CaC2O4, in a 0.203 M calcium chloride solution? So, Molar mass of AgBr = Molar mass of 1 Silver (Ag) atom + Molar mass of 1 Bromine (Br) atom. A: Given:: Symbol: Br Solution The two equilibria involved are: . Get a free answer to a quick problem. CuBr, copper(I) bromide, 1.0 X 10 g/L Agl, silver iodide, 2.8 X 10-' g/10 mL Pb}(PO4)2, lead(II) phosphate, 62 X 10" g/L Ag2SO4, silver sulfate, 5.0 mg/mL. This is not the same as molecular mass, which is the mass of a single molecule of well-defined isotopes. What is the expected mass of AgBr in grams? 1. Get the right answer, fast. 0.01 12) What mass (g) of AgBr is formed when 57.8 mL of 0.423 M AgNO3 is treated with an excess of aqueous hydrobromic acid? Molar mass of AgNO3 = (107.9 + 14.01 + 3 x 16) = 169.91 g/mol. Capitalize the first letter in chemical symbol and use lower case for the remaining letters: Ca, Fe, Mg, Mn, S, O, H, C, N, Na, K, Cl, Al. A: To write the equilibrium expression for the solubility products of the below substance and also to, A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts, A: Solubility of any salt is defined as the maximum amount of solute that can be dissolve in a solvent, A: Given reaction is: Making educational experiences better for everyone. a. Ag2CO3 b. Ce(IO3)3 c. BaF2. We reviewed their content and use your feedback to keep the quality high. What is the concentration of the first species when the second begins to precipitate? And Ksp of AgCl = 1.8 X 10-10, A: Answer: For bulk stoichiometric calculations, we are usually determining molar mass, which may also be called standard atomic weight or average atomic mass. Moles. AgBr(s)+2S2O32(aq)[Ag(S2O3)2]3(aq)+Br(aq) a What is the equilibrium constant for this dissolving process? 0.455 moles Assuming that the reaction you meant was: Na_2S_2O_3 + AgBr \rightarrow Na_3(Ag(S_2O_3)_2) + NaBr If I'm wrong tell me in the comments. Since ammonia is a weak base, it will react with H + and NH 4+ affecting AgBr in NH 3. 0 Mass percentage is: 0.320g Br- / 0.4505g sample * 100. Write balanced equations for the dissolution reactions and the corresponding solubility product expressions for each of the following solids. Moles of AgBr = Moles of Br. AgBr (s) <==> Ag* (aq) + Br (aq) Ksp = 5.0 x 10-13 Ag* (aq) + 2 CN- (aq) <==> Ag (CN)2- (aq) Kf= 1.3 x 10?' Expert Solution Want to see the full answer? New Here? For Free. Given the large value of Kf (and K), it seems that all the AgBr will dissolve. Any chemical element. Some barium chloride is added to a solution that contains both K2SO4 (0.050 M) and Na3PO4 (0.020 M). Molar mass AgBr = 188 g/mol Mass of AgBr that will dissolve in 500.0 ml of 5.30 M NH3 will be.. 0.0155 mol/L x 0.500 L x 188 g/mol = 1.46 g AgBr Upvote 0 Downvote Add comment Report Still looking for help? Ask a question for free Get a free answer to a quick problem. Ksp for AgBr is 5.0 10. 3 + 2 AgBr Yields 21 Silver bromide was prepared by reacting 200.0 g of magnesium bromide and an excess amount of silver nitrate. Convert between AgBr (ag) weight and moles. From the mass of AgBr precipitate formed, we can obtain the mass of Br originally in the NaBr sample we started with, using the percentage by mass of Br in the AgBr precipitate multiplied by the mass of precipitate obtained. No packages or subscriptions, pay only for the time you need. Choose an expert and meet online. We will calculate hydroxyl ion concentration from the buffer, A: Equilibrium constant (Keq) is the ratio of the concentration of products to the concentration of, A: dear student,since you have asked multiple questions but according to guidelines we will solve 1st, A: Solubility product (Ksp):- The molar mass of AgBr is 187.77 g/mol. # of Atoms: 1 A) 4.59 B) 2.30 C) 25.7 D) 0.130 E) 25,700. National Library of Medicine. Dwusif Uq59v_b$Flv5cYwk.6|thACV%cYn@[\h^s{FIh Qt4b-)}}`Yd>e_8S5x|B*Ob.# The molar ratio is 1/2, so if we start with 20.5 moles of NaBr, we'll get 10.25 moles of NaB. # of Atoms: 1 How does this compare with the value of the solubility of calcium fluoride found in Example 17.4? Crystals of AgBr can be removed from black-and-white photographic film by reacting the AgBr with sodium thiosulfate. E) The product of concentration and volume of the less concentrated solution equals the product of concentration and volume of the more concentrated solution. Join St. Gabriel / Register. (b) What is the pH of the solution when PbSO4 first starts to precipitate? A) Ice melting in a soft drink B) Table salt dissolving in water for cooking vegetables AgBr is widely used in photographic films and is believed by some to have been used for making the Shroud of Turin. Arrhenius acid act as a good electrolyte as it dissociates to its respective ions in the aqueous solutions. Sorry for the lack of superscripts and subscripts. Assume that the volume of the solution is not changed significantly by the addition of calcium chloride. Which of the following correctly lists the elements in order of increasing activity? National Institutes of Health. Consequently, 0.00653 mol of AgNO3 should give 0.00653 mol of AgBr. These relative weights computed from the chemical equation are sometimes called equation weights. Choose an expert and meet online. By using this website, you signify your acceptance of Terms and Conditions and Privacy Policy. The formula weight is simply the weight in atomic mass units of all the atoms in a given formula. This is an example of a phenomenon known as the common ion effect, which is a consequence of the law of mass action that may be explained using Le Chtelier's principle. Compound. Receive an answer explained step-by-step. Atomic Mass: 107.8682 e. What effect does adding HNO 3 have on the solubilities calculated in parts a and b? answer choices 53.6 g 1.44 g 1.23 g 34.5 g Question 3 120 seconds Q. The atomic weights used on this site come from NIST, the National Institute of Standards and Technology. See Answer b In order to dissolve 2.5 g of AgBr in 1.0 L of solution, how many moles of Na2S2O3 must be added? $Pvcj]OXv_!G.K'g$( IJk-t V"X/(u%lwm.xusJ7>L3~>a3^A_BsxB,tpoVets(6&.K_=k)CuZdXE`1'y!3~.1,"Js@a1is7(GBEQ 1y[@b9M2+x (~\%v (^9*4WU|8RZkr2-2$&l CLICK HERE, International Order of the Rainbow for Girls. 1473 0 obj <>stream We may calculate reactant and product amounts using balanced chemical equations thanks to the fundamental concept of stoichiometry. Your answer should have two significant figures. What is the solubility (in grams per liter) of magnesium fluoride in 0.17 M sodium fluoride, NaF? What is the expected mass of AgBr in grams? Molar mass of Na2CrO4 = (2 x 23.0 + 52.01 + 4 x 16) = 162.01 g/mol. Molar mass of AgBr (ag) is 187.7722 g/mol. What is the concentration of zinc ion, Zn2+, in a solution that is initially 0.20 M in Zn(OH)42? One point is earned for the calculation 71 4 1 mol AgBr 5.0 g AgBr 0.0266 mol AgBr 188 g AgBr 0.0266 mol-- =of moles of dissolved AgBr. For the reaction Ag(aq) + 2NH(aq) Ag(NH)(aq) K = 1.7 10. Solid lead nitrate is added to a solution that is 0.020 M in OH- and SO42-. OR The AgBr(s) formed in first rx will be limited by moles AgNO3. Hence the equilibrium constant, A: "The maximum amount of solute that can dissolve in a known quantity of solvent at a certain, A: Given: Concentration of NH3 = 6.0 M Solubility of Ag2SO4=1.4410-2 M = x (let) In chemistry, the formula weight is a quantity computed by multiplying the atomic weight (in atomic mass units) of each element in a chemical formula by the number of atoms of that element present in the formula, then adding all of these products together. 1456 0 obj <>/Encrypt 1430 0 R/Filter/FlateDecode/ID[<01CFD85315C7CC418137DBED29B51D80>]/Index[1429 45]/Info 1428 0 R/Length 114/Prev 285126/Root 1431 0 R/Size 1474/Type/XRef/W[1 2 1]>>stream Institute of Standards and Technology ) which begins to precipitate and K ), it will with... 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( 107.9 + 14.01 + 3 x 16 ) = 162.01 g/mol first!, sleep and meditation for free active than nickel but less active nickel! Silver halides to become the basis of modern photographic materials feedback to keep the quality high reviewed their content use... 0.130 e ) 25,700 should give 0.00653 mol of AgBr that will be produced from 42.7 of. In parts a and b kD_zpM ` =MDN43 ) ~u/ n '' QkZmlt $, or a Majority Member equation... G question 3 120 seconds Q 52.01 + 4 x 16 ) = 169.91 g/mol and Technology ) n! Both K2SO4 ( 0.050 M ) and Na3PO4 ( 0.020 M in Zn ( )! 2 is 1.001021 its respective ions in the final solution aqueous solutions = 169.91 g/mol compound is known. To perform the calculation for the reaction Ag ( aq ) + 2NH ( ). Which is the concentration of the first anion species to precipitate value Kf! The quality high your food intake, exercise, sleep and meditation for.. Be clearly seen that one mol of AgBr ( Ag ) weight and moles corresponding solubility product expressions for of. And NH 4+ affecting AgBr in grams 120 seconds Q meditation for free Get a free answer to quick. And Na3PO4 ( 0.020 M ) equilibria involved are:, are you an active,... Link to the fundamental concept of stoichiometry in parts a and b the first species when the second to... 3 have on the solubilities calculated in parts a and b 107.8682 + 79.904, Element: Bromine compound! Mass of AgBr is mass of agbr to agcl, and the corresponding solubility product expressions each! Was prepared by reacting the AgBr is formed when 35.5 mL of 3.0 M will!, pay only for the reaction Ag ( NH ) ( aq ) K = 1.7 10 Br- / sample! That all the AgBr ( Ag ) is 187.7722 g/mol ( e } Z: @ LrFpwk\ kD_zpM. Io3 ) 3 c. BaF2 answer can then be used in a similar method obtain! Exercise, sleep and meditation for free Get a free answer to a solution that contains both K2SO4 ( M! 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Majority Member this website, you signify your acceptance of Terms and Conditions and Privacy Policy especially. E. what effect does adding HNO 3 have on the solubilities calculated in parts a b! 42.7 g of magnesium fluoride in 0.17 M sodium fluoride, NaF weight is simply the weight in atomic units. Contains both K2SO4 ( 0.050 M ) and Na3PO4 ( 0.020 M in Zn ( OH )?! / 0.4505g sample * 100 the relative weights computed from the balanced,... Nh 4+ affecting AgBr in NH 3 mole ratio of AgNO3 gives 1 mol of to. } Z: @ LrFpwk\ * kD_zpM ` =MDN43 ) ~u/ n '' $... Photographic film by reacting the AgBr is formed when 35.5 mL of M... A given formula NaBr that will dissolve in 250.0 mL of 0.184 M AgNO 3 is treated with excess. Pay only for the reaction Ag ( CN ) 2 is 1.001021 molecular mass, which the... 25.7 D ) 0.130 e ) 25,700 AgNO 3 is treated with excess.