Gravimetric Problems OH Ni+ + 2 + 2H* OH DMG FM 116.12 Bis(dimethylglyoximate)nickel(II) FM 288.91 FM 58.69 If 1.163 4 g of steel gives 0.179 5 g of precipitate, what percentage of Ni is in the steel?

Q: 5.00 mL of 7.00 x 10¯³ M Fe(NO3)3 (7.00 times 10 to the minus 3rd power MFe (NO3)3) is added to 7.00…

A: Molarity of Fe3+  ions = 7.00 × 10-3 M Total Volume = 5 + 7 + 5 = 17 ml = 0.017 L

Q: [CLO-6] Calculate the pMg in the reaction of 50 mL of 0.1 M Mg2* (buffered to plH 10) with 25.5 ml…

A:

Q: If 20.60 mL  of 0.0450 M  KMnO4is required to titrate a 0.500 g  sample of K3[Fe(C2O4)3]⋅3H2O,⋅what…

A: The iron salt  K3[Fe(C2O4)3]⋅3H2Ois titrated with permanganate (MnO4) to determine the amount of…

Q: 7.00 mL of 5.00 x 103 M Fe(NO3)3 (5.00 times 10 to the minus 3rd power M Fe (NO3)3) is added to 6.00…

A: Initial Molarity of Fe3+ solution = 5.00×10-3mol/L Initial Volume of Fe3+ solution = 7.00 mL…

Q: Q2 [Final Question from Spring 2022] Ksp for Ni(OH)₂ is 6x10-¹6. For a saturated solution of Ni(OH)₂…

A: The objective of the question is to determine the concentration of nickel (II) ions in the given…

Q: A 0.3674 g powdered milk sample was analyzed for calcium by igniting in a crucible at 1000°C, the…

A: Analysis of sampleMass of sample = 0.3674 gTemperature = 1000oCVolume of EDTA required = 15.62…

Q: _K2Crz07+_H2C204 · 2H20 →_K[Cr(C204)2(H2O)2] · 2H2O +_CO2 +_H20 a) Balance the equation

A: Balance chemical equation is the chemical equation in which number of atoms both side(reactant and…

Q: et compounds of iron You are studying coordination with cyanide ligands. You add 0.270 g of yellow…

A: To determine the molecular formula of the compound formed by the reaction between potassium…

Q: 7. Describe a method that can be used to separate each of the following mixtures of metal ions a.…

A: The given cations are present under the following categories of major groups according to the…

Q: A cyanide solution with a volume of 12.98 mL was treated with 23.00 mL of Ni2+ solution (containing…

A: Concentration of CN- can be determined if we know the concentration of Ni2+  So first we find the…

Q: What is the concentration of Cu²* in a solution of the complex ion Cu(NH3),2+ formed by reaction of…

A:

Q: In the complex ion [Cr(C204)2(H20)2], the oxidation number of Cr is Select one: O A. -2. O B. -1. O…

A: The given complex is, [Cr(C2O4)2(H2O)2]- To find: The oxidation number of Cr?

Q: 5.00 mL of 5.00 x 103 M Fe(NO3)3 (5.00 times 10 to the minus 3rd power M Fe (NO3)3) is added to 7.00…

A: Given: Concentration of Fe(NO3)3 taken = 5.00 × 10-3 M Volume of Fe(NO3)3 solution taken = 5.00 mL…

Q: 9. Which of the following would NOT precipitate the CO₂* ion? A) Co²+ B) H* C) Mg²+ D) Ba²+

A: The answer for this problem is provided below in great details within the attached figure.

Q: Which of the following metal hydroxides will precipitate third as solid KOH is added if the metal…

A: All the given ions are in same concentration. All the hydroxides formed will dissociate as one mole…

Q: Determine the concentration of [Fe(SCN)2+_std] if the standard solution was made using 18 mL of 0.2M…

A: The solution is given below -

Q: how to calculate the formation constant Kf for an iron:phenanthroline complex assuming 0.01% of the…

A: In the given question we have to calculate the formation constant of the given complex.For a given…

Q: Question 3 Write an equilibrium constant expression for the following heterogeneous equilibrium:…

A: The product of the molar concentrations of the products, each raised to the power equal to a…

Q: Which of the following reacts with HCl to form a white precipitate?     Ag+     Pb2+     Hg22+…

A: Given, Ag+    Pb2+    Hg22+    all of the above

Q: Which of the following are products of the reaction between potassium and HCI? (Choose all that…

A: Given that, Reaction between pottasium and HCl = ?

Q: C. Sketch the photometric titration curve for the reaction of Fe (100 mL, colorless, 10 ppm) with…

A: Photometric Titration: This is a titration in which the absorbance of the solution is used to…