I + Cr,0,- Cr" + I, + H2O (acidic)

Q: AHjattice ΔΗ, II

A:

Q: A solution was prepared by dissolving 511 mg of Na,Fe(CN), (M = 303.91 g/mol) in sufficient water to…

A: Concentration of a solution is determined in terms of molarity which means moles of the solute in…

Q: Permanganatometry is used to quantify: A) Iron (II) sulfate B) Zinc sulfate C) Silver nitrate D)…

A: Permanganatometry is a redox titration which is used in quantitative analysis. It is used to measure…

Q: Saturated Ag/AgCl reference || Ti³+ (0.0850 M), Ti²+ (0.0450 M) || Pt

A: given E Ag/Agcl = 0.199v E; Ti+3/Ti+2 =-0.369V Ti+3=0.0850M Ti+2=0.0450M find Ecell

Q: A 20.00 mL solution of 0.1200 M TI³+ is titrated with 0.2000 M Fe²+. TI³+ + 2e- TI* Eº = +1.280 V…

A: Given: Volume of Tl3+ = 20.00 mL Concentration of Tl3+ = 0.1200 M Concentration of Fe2+ = 0.200 M To…

Q: If the over-all equilibrium constant (Koa) for the Ag(NH3)2* formation in an AgCl solution is equal…

A: The overall equation for the formation of Ag(NH3)2+(aq) in AgCl solution can be obtained by adding…

Q: Calculate [Cr3+] in equilibrium with Cr(OH)4-(aq) when 0.010 mol of Cr(NO3)3 is dissolved in 1 L of…

A: Equilibrium constant (K) is the expression to relate the products and reactants of a chemical…

Q: Determine the molar solubility of phosphate in Zn(OH)2 (Ksp = 1.8 x 10-14) in a solution of 0.025 M…

A:

Q: Titration of 0.2342 g of pure Na,C,O, (134.0 g/mol) required 33.45 ml of KMNO, solution according to…

A: We have to calculate the Molarity of KMno4 solution

Q: Calculate the solubility (in g/L) of Aluminum sulfide (Al2S3) In 0.25 M Al+3 solution. (standard…

A:

Q: Which of the following salts does NOT cause permanent hardness? (A Ca(HCO,). (B M8SO , © CaCl, (D…

A:

Q: What is the minimum pH at which Cd(OH)2(s) will precipitate from a solution that is 0.0055M in…

A: Solubility product   In case of a sparingly soluble salt,  the solubility of salts are very less.…

Q: Which of the following salts does NOT cause permanent hardness? A Ca(HCO,), 2. B M8SO , © FeCl, D…

A: Ans : C ( Hard water is the water that contains soluble salts of bivalent ions like calcium and…

Q: Sodium acetate, CH3COONA was hydrolysed in water, HzO. Show the reaction equations involved. What is…

A: Hydrolysis of reaction of salt of the weak acid with strong acid can be written as,  A- (aq) + H2O…

Q: DG° = -53.6 kJ/molxn for the following reaction at 25°C. Zn2"(aq) + 4 NH3(aq) ==> Zn(NH3)42 (aq)…

A: The relation between ΔG° and complex formation equilibrium constant is ΔG° = − RT ln Keq where, ΔG°…

Q: A 25.00cm of potassium dichromate(K,Cr,C solution aretadded to an acidified aqueous solution of…

A: Given, Volume of Potassium dichromate = 25.00 cm3 Volume of Na2S2O3 solution = 19.63 cm3…

Q: Calculate the solubility of Mg(OH)2 in a solution buffered to a pH of 12.0. Ksp= 1.8 x 10-11

A:

Q: Calculate the K, for the conjugate acid of CgH3O; given that the pH of a 0.372 M solution of…

A: Answer is explained below.

Q: Calculate the solubility of Ni(OH) 2 in a solution buffered at pH = 8.75 (K sp = 1.6 x 10 -16 ).

A:

Q: Titration of 0.2121 g of primary standard NagC;0, Calculate the molar concentration of KMnO,? 2…

A:

Q: Which of the following salts does NOT cause permanent hardness? A FeCl, Ca(HCO 3) 2 B CaCl, D) M8SO

A: We have given that  Which of the following salts does NOT cause permanent hardness? A. FeCl2 B.…

Q: A weak acid, HA, has pKa=6.2. If a solution of NaA (aq) is prepared, what does the pH of the…

A: The Henderson–Hasselbalch equation relates the pH of a solution containing a mixture of the two…

Q: hat weight of sodium formate must be added to 400 ml of 1M formic acid to produce a buffer solution…

A: Solution - According to the question - Given -

Q: D. NaCl (aq) + acidified MnO2 (s)

A:

Q: Solid CO2 (0.44 mol) is reacted with CH3MGB (0.28 mol) in ether solvent. The product of the reaction…

A: Grignard reagent react with CO2 and H+ and formed Acid.

Q: Toxic Cr(VI) can be precipitated from an aqueous solution by bubbling SO, through the solution. How…

A: Given: Volume of Cr(VI) = 3.00×108 LMolarity of Cr(VI) = 5.00×10-2 mM The reaction is as follows,…

Q: The acid ionization constant for Fe(H2O)62+(aq) is 3.0×10-6. Calculate the pH of a 0.0418 M solution…

A:

Q: Calculate the (Ka) value for the reaction of CH3COOH with NHạ that the pH of the solution is (6.46)…

A: The Ka for the reaction of acetic acid (CH3COOH) is calculated as shown below.…

Q: Which of the following salts does NOT cause permanent hardness? A MGSO, B CaCl, B Ca (HCO ,) , D…

A: Water have two types of hardness 1. Temporary hardness 2 Permanent Hardness

Q: When Cr(III) is oxidized to Cr(VI), its solubility, mobility and toxicity are dramatically…

A: The solution of the question is given below:

Q: =7. Which of the following compounds will give a yellow- precipitate when recacted with a solution…

A: Any compounds containing the CH3C=O group (ketone)or the CH3CH(OH) group(aldehyde) give a positive…

Q: 1. A 1.000 g sample containing Na,C,O, (MM=134 mg/mmol) is titrated with 40.00 mL of 0.0200 M KMNO,…

A: It is an application of redox titration where a redox reaction occur between KMnO4 as titrant and…

Q: Calculate the formation constant K; for Ag(CN),: Ag* + 2CN = Ag(CN), if the cell SCE|| Ag(CN), (7.50…

A:

Q: Discuss the solubility product constant values of silver halides in accordance with HSAB theory.

A: Q-Discuss the solubility product constant values of silver halides in accordance with HSAB theory.

Q: Calculate the pH of a 0.597 M solution of chloroacetic acid (CICH;CO,H, K, = 1.36 x 10-3).

A:

Q: ion oxidation state of metal atom [Mac (NH).J [Fe(OH), (co)]

A: This question is related to coordination chemistry. A coordination complex consists of a central…

Q: Express the equilibrium constant for the following reaction: 2Na(s) - 24,O) = 2NaOH(3q) + H,(G) O K-…

A: Equilibrium constant on terms of concentration is denoted by Kc and is the ratio of the product…

Q: Calculate the solubility of Co(OH)3, Ksp=2.5*10^-43, in a solution at PH=4.0

A: The solubility reaction is given by  Co(OH)3 (s) ------> Co3+ (aq) + 3 OH- (aq) since pH = 4…

Q: What is the pH for a 0.485 mol/L solution of LiCHO2 (Ka of HCHO2 1.8 x 10^-4)

A: pH scale reads values that ranges from 0 to 14. 0 is very acidic while 14 s very basic. All values…

Q: Consider the titration of 25.00 cm3 of 0.10 M CH3COOH(aq) with 0.20 M NaOH(aq) at 25 °C. Calculate…

A: The concept here is the titration of weak acid v/s strong base.  1 cm3 = 1 ml

Q: You have 10mL of an 8% aqueous solution of H2Cl6Pt. Calculate the molar concentration of the…

A: Given: Volume of solution = 10 mL Convert mL into L as follows. 1 mL = 0.001 L10 mL = 10 mL × 0.001…

Q: Calculate the activity of the bromide ion in a solution that is 0.050M KBr, 0.050M NaBr, and 0.050M…

A:

Q: The amount of Fe in a 0.4891 gm sample of an ore was determined by redox titration with K Cr , 0 ,.…

A: Iron Ore is Fe2O3, and redox titration is done with Potassium dichromate K2Cr2O7  Mole of K2Cr2O7 =…

Q: The pH of  a saturated  solution   of Fe(OH)2  is 9.3 . Calculate the ksp of Fe(OH)2

A: Given, pH of FeOH2 is 9.3  FeOH2 → Fe2+ +2OH- According to the formula :       pH + pOH =14…

Q: Which of the following salts does NOT cause permanent hardness? B CaCl, © M8SO, Ca(HCO ,), 2

A:

Q: Calculate the standard potential E0 for the process Ni(CN)42- + 2e- ⇄ Ni(s) + 4CN- given that the…

A:

Q: The acid ionization constant for Fe(H 2O) 62+(aq) is 3 ×10-6. Calculate the pH of a 0.10 M solution…

A: Acid ionization constant denoted by Ka is the equilibrium constant measure of tendency of an acid to…