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To 555ml of a 0.435M Co(No3)3 solution, 445ml of a 0.120 M NaOH solution is added. Calculate the concentrations of Co+3 and Oh- in the solution at equilibrium at 20C regardless of whether precipitation occurs or not. I tried using the ice table but the instructor marked my answer wrong. Which Ksp should I use from the table and how would I properly calculate the concentrations
Oxalic acid is a diprotic acid that occurs naturally in some plants. Calculate the pH and the concentrations of all species present in a 0.72-M solution
A solution contains 11.00 g of unknown compound dissolved in 50.0 mL of water. (Assume a density of 1.00 g/mL for water.) The freezing point of the solution is -6.59 *C. The mass percent composition of the compound is 38.70% C , 9.74% H , and the ..
what is the change in internal energy of a system that absorbs 0.570 kj of heat from its surrounding and has 0.843 kcal of work done on it give in scientific notation
how can you determine if they are the same without using any form of spectroscopy? explain the physical/chemical reasons why your proposed method would work
What wavelength is expected for light composed of photons produced by an n=3 to n=1 transition in a hydrogen atom
For 2.25 moles of an ideal gas, Pext=P=200x10^3 Pa. The temperature is changed from 122 C to 28.5C and Cv=3R/2. Calculate the q, w, delta U and delta H for an isochloric process.
Is this system at equilibrium? If not, will the amount of N(g) increase or decrease as the system proceeds to equilibrium at 4000 k in a fixed volume
calculate the volume of water needed to dilute the anti-freeze from 0.20M in 0.260 litres to 0.13M.
An analyst was attempting to determine the percent KHP in an unknown sample. The analyst found the molarity of the standardized NaOH solution to be 0.1022 mol/L.
If a 189-mg piece of gold (density = 19.32 g/cm3) is hammered into a sheet measuring 2.4 ft 1.0 ft, what is the average thickness of the sheet in meters?
A 1.00 L solution contains 4*10^-4 M Cu(NO3)2 and 1.6*10^-3 M ethylenediamine (en). the Kf for Cu(en)2^+2 is 1*10^20. What is the concentration of Cu^+2 (aq) in this solution
(a) reversibly, (b) against a constant external pressure equal to the final pressure of the gas, and (c) freely (against zero external pressure)
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