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Give four examples of systems that would behave as buffered solutions. For each of your choices indicate with chemical equations explain how the components of each buffered solution would consume additional hydronium or hydroxide ion.
The distribution constant for the metabolite between ligroin and an aqueous solution is 11.8. You extract 50.0 mL of an aqueous solution that is 0.0350 M in the metabolite with 25.0 mL ligroin. What is the concentration of the metabolite in the aq..
This time took a one-hour break after adding the acetic anhydride but before adding the sodium acetate solution. The student obtained no product. Explain, with chemical equations and/or formulas, what went wrong.?
calculate the freezing point depression for the solution b). calculate the molality of the solution
Calculate the osmotic pressure (in torr) of 6.00 L of an aqueous 0.896 M solution at 30.0 deg C, if the solute concerned is totally ionized into three ions (e.g., it could be Na2SO4 or MgCl2)
A 100.0 mL sample of water from a salt lake has a chloride ion concentration of 0.25 M. Does AgCl (s) precipitate from solution if 5.0 mL of 0.10 M AgNO3 (aq) is added to the sample
What things might I do with respect to HPLC to increase resolution (peak separation). What disadvantages are there to each of these modifications
Using the structure of mathyl orange as an example, draw resonance froms to show how conjugation extends throughout the molecule.
compound a has a solubility of 18 grams per 100 grams of water at25 celsius. cooling a saturated 200 g solution of
What happens to the kp in th reaction 2NOBr(g) 2NO+Br2...when temperature is increased
Which solvent displayed the strongest propensity to encourage keto-enol tautomerization. CHCl3, DMSO, CH3OH? Or does this propensity more closely follow the type of solvent it falls under (such as nonpolar, polar aprotic, or polar protic).
An aqueous solution containing 34.1 g of an unknown molecular (nonelectrolyte) compound in 141.3 g of water was found to have a freezing point of -1.5 degrees C. Calculate the molar mass of the unknown compound.
How many molecular orbitals can be built from the valence shell orbitals in H2?
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