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How did you deduce which spot corresponded to 2-naphthol on yourTLC plate that analyzed the reaction mixture at 10, 30, and 60 minutes? Did your TLC analysisindicate the presence of any 2-naphthol remaining atthe end of the 60-minute reaction time?
If the pH of such a phosphate-containing solution were gradually lowered by addition of HCl or some other strong acid, what three protonated phosphate species would be generated? (Specify the chemical formula and name of each.)
what is the pH of the mixture without considering the ionic strength effect? Sulfathiazole reacts in part with NaOH to give sodium sulfathiazole. The pKa of sulfathiazole is 7.12.
Explain which of the following aqueous solutions has the strongest ion-dipole attractions: 0.3 M FeBr3, 0.6 M CaCl2, 0.5 M Ba(NO3)2, 0.2 M (NH4)2SO4, 0.9 M KOH
what is the molar concentrations for those two. The solution volumes are additive. Thank you so much I can't figure this out and I've been looking at it for 2 hours. I need it for my lab report.
If a reaction mixture initially contains 486 of and 261 of , what is the mole fraction of when equilibrium is reached.
Write the chemical reactions for the steps typically used to isolate titanium metal from titanium dioxide. What is the oxidation number for titanium in each step of the reaction?
The equation for the combustion of gaseous methanol is: 2CH3OH(g) + 3O2(g) ? 2CO2(g) + 4H2O(g) Estimate the ?H°rxn per mole of methanol combusted, using the bond energy data provided below
Calculate the number of moles of bromobenzene this represents; then calculate the amounts of all other reagents needed in this experiment relative to this amount of bromobenzene.
Calculate the equilibrium constant at 40 K for a reaction with ?Ho = 10 kJ and ?So = 100 J/K.
What is the pH of a 0.15 M solution of the weak base ammonia (NH3)? The Ka of the conjugate acid is (NH4) is 5.6e-10.
Integrals for some of the resonances in the 1H NMR spectrum are higher than they should be due to the shear number of hydrogens in this compound
The equilibrium concentration of I2 is 0.05M. What is the equilibrium constant Kc for the reaction at this temperture? Express answer in K
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