+For the aqueous Ni[Ni(NH3)6] complex K₁ = 5.50 × 108 at 25 °C.Suppose equal volumes of 0.0062M Ni (NO3), solution and 0.78M NH3 solution are mixed. Calculate the equilibrium molarity ofaqueous Ni 2+ ion.Round your answer to 2 significant digits.[M☐ x10☑ IncorrectRow 2: Your answer is wrong. In addition to checking your math, check that you used the right data and DID NOT round any intermediatecalculations.Calculate the solubility at 25 °C of AgCl in pure water and in 0.34 M NaCN. You'll probably find some useful data in the ALEKS Dataresource.Round your answer to 2 significant digits.Solubility in pure water:Solubility in 0.34 M NaCN:-51.3 × 10Mx10OM☑

Step 1: forward reaction Ni2+ + 6NH3 =[ Ni(NH3)6]^2+0. 1-0.6=0.4. 0.1 k1=…

Answered: + For the aqueous Ni [Ni(NH3)6] complex…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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help please answer in text form with proper workings and explanation for each and every part and steps with concept and introduction no AI no copy paste remember answer must be in proper format with all working
In the heat of solution experiment If 10 ml of the solution of oxalic acid is diluted to 100ml amd 25 ml of this diluted solution was found to need 40 ml of NaOH ( 0.2 M) to reach the end point Calculate the molar solubility of oxalic acid if the mass of the original solution before dilution ) of oxalic acid was 11.1g. (Molar mass of oxalic acid is 90 g/mol)
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Determine the pH of a buffer that is 0.25 M NH3 and 0.15 M NH:CI. The value of pKb for NH3 is 4.75. 1 2 NEXT > Based on the given values, set up ICE table in order to determine the unknown. NH:(aq) H:O(1) ОН (аq) NH.*(aq) + Initial (M) Change (M) Equilibrium (M) 5 RESET 0.25 0.15 4.75 +x -X +2x -2x 0.25 + x 0.25 - x 0.25 + 2x 0.25 - 2x 0.15 + x 0.15 - x 0.15 + 2x 0.15 - 2x
You want to make the following buffer: 5% glucose, 100 mM tris and 10 mM EDTA in a final volume of 300ml. Your stock solutions are 20% glucose, 1M tris and 0.5M EDTA. The solvent is distilled water. In the space provided determine how much of each you will add to make the desired buffer.
I am so lost. I've asked similar questions 3 times on here and I still don't understand how to solve them.
2 A student determined the concentration of a weak acid, acetic acid, by a titrimetric method using a standard NaOH solution and a pH meter for end point detection. Table 1.0 below shows the data that was obtained by the student. Table 1.0: Potentiometric titration of acetic acid with 0.100 M standard NaOH solution Burette Reading Volume of NaOH added (mL) pH reading 11.54 0 3.14 12.25 0.71 3.70 13.40 1.86 4.16 16.59 5.05 4.77 17.50 5.96 4.93 19.35 7.81 5.24 20.41 8.87 5.49 21.00 9.46 5.68 21.60 10.06 5.96 21.83 10.29 6.14 22.01 10.47 6.34 22.12 10.58 6.48 22.20 10.66 6.68 22.30 10.76 6.97 22.38 10.84 7.73 22.41 10.87 9.21 22.49 10.95 10.04 22.55 11.01 10.57 22.61 11.07 10.83 23.00 11.46 11.35 23.31 11.77 11.62 23.71 12.17 11.76 24.30 12.76 11.89 25.20 13.66 12.03 Plot a curve of pH versus the volume of NaOH and determine the end point a.
Construct a graph and plot the titration curve for a 10.0 mL aliquot of 0.100 mol/L NH3 (pKb=4.74) with 0.100 mol/L HCl. For this purpose, make a table with nine added volumes of HCl solution, which you consider adequate, with the corresponding pH value. Write the development of all calculations and use approximate formulas.
Calculate the pH of the following two buffer solutions. Round your answer to 2 decimal places. Note: Reference the K of acids at 25 °C table for additional information. a Part: 0/3 Part 1 of 3 2.5 M CH₂COONa/2.0 M CH₂COOH. 0.9
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A 100.0 mL buffer solution is made by combining 0.054 M formic acid (K₂ = 1.8x10-4) and 0.087 M lithium formate. Answer the questions below after 2.1 mmoles (or 2.1x10-³ moles) of NaOH is added. Report all answers with the correct number of significant figures and ENTER UNITS where applicable. How much formic acid remains? How much lithium formate remains? What is the final pH of the solution?

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