What are the concentrations of the invidual ions
Question: A solution is prepared by diluting 25.00 ml of a .308 M solution of NiCl2 to a final volume of 0.500 L. What are the concentrations of the invidual ions Ni and Cl in this solutions?
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Redox titrations are used to determine the amounts of oxidizing and reducing agents in solution. For example, a solution of hydrogen peroxide,H2O2 , can be titrated against a solution of potassium permanganate,KMnO4
Complete the following table by calculating the missing entries. In each case indicate whether the solution is acidic or basic. pH pOH [H+] [OH -] acidic or basic
Which concept would explain why the carbon to carbon bond lengths in benzene, C6H6, are identical? a)hybridization b)London dispersion forces c)resonance d)hydrogen bonding
Discuss the solubility (in water) of some organic compounds e.g Compare alcohols, alkanes and hetones or carboxylic acid and the different types of intermolecular bonding.
Given the reaction X(aq) 3Y(aq) <===> 2Z(aq). Suppose the initial [X] is 0.55M and [Y] is 0.80 M. After equilibrium is reached, [X] = 0.35M. Calculate the Keq (Kc) for this reaction.
The extent of ionization of a weak electrolyte is increased by adding to the solution a strong electrolyte that has an ion in common with the weak electrolyte.
If the blocks were placed at a temperature of 20oC, what will be the force of compression when the temperature reaches 40oC? The contact area between the block is 0.20m2. Will fracture occure?
Thomas used equimolar amounts of diethylamine and alpha chloro-2,6-dimethylacetanilide in the preparation of Lidocaine. All the starting material reacted but failed to isolate any Lidocaine. Why?
Draw (2R,3S)-2-bromo-3-phenylpentane in the conformation from which it is most likely to undergo E2 elimination to give 3-phenyl-2-pentene.
What partial pressure of hydrogen gas is required in order for 0.00426 g of the gas to dissolve in 20.7 mL of pure water? The Henry's law constant for hydrogen gas is 7.8 x 10 ^-4 M atm^-1.
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