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Separate two of the three compounds:1-4 dibromobenzene, phenanthrene, and o-toluic acid using the following reagents:1M NaoH, 6M NaoH, 1M HCl, 6M HCl, 1M NaHCO3, saturated sodium chloride, diethyl ether, 95% ethanol, isopropyl alcohol, acetone, methanol, toluene, methylene chloride and granular anhydrous sodium sulfate.
Now suppose you have only added 24.0mL of 0.01M NaOH solution to the 25.0mL of HCl solution, what is the molarity of HCl left in the solution? What is the pH of the resultant mixture?
Explain how the formation of a soap ‘micelle' helps remove dirt and oil in an aqueous environment.
Iridium-192 is often used in the head or breast. Answer the following three questions (a, b, and c) based on the radioactive decay curve of iridium-192, shown below. Click on the graph and move the mouse over a point to get values for that point.
The concentration of SO42- (aq) in a sample of river water can be determined using a precipitation titration in which a salt of Ba+ (aq) is the standard solution and BaSO4 (s) is the precipitate formed. What is the concentration of SO42- (aq) in a..
Consider the following solutes and the composition of their aqueous solutions. In which of the following is the composition of the aqueous solution of the solute given
An unknown compound, H2A, is thought to have a carboxyl group with a pKa value of 3.2 and another ionizable group with a pKa between 4 and 9. When 75mL of 0.1M NaOH was added to 100mL of a 0.1M solution of H2A at pH 3.2
A chemistry lab experiment requires 25.2 g of silver nitrate. How many grams of a 15.5% by mass solution of silver nitrate should be used.
Give the structure of the product, equation, and mechanism for the formation of the aldol condensation reaction of trans-cinnamaldehyde and cyclohexanone.
a zero-order reaction has a constant rate of 4.00times10-4 . if after 40.0 seconds the concentration has dropped to
Description of physical chemistry, Find delta Smix, delta Gmix, delta Hmix, and delta Vmix if 125 g of benzene and 25 g of naphthalene are mixed at 60 degrees C.
A fluoridated water supply contains F- at a concentration of 8.9 ppm. What is the maximum concentration of Mg2+ that can exist in this water supply without causing precipitation? The Ksp for MgF2 is 6.4×10-9. Answer in units of grams/L.
Calculate from your titration results the moles of acidic protons in the tablet neutralized by the NaOH.
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