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If performing a HPLC on a complex mixture what things might I do to increase the resolution of the spectra? Be specific here please
A solid laboratory unknown contains two substances, lead(II) carbonate and potassium carbonate. A 5.000 g sample of this unknown was treated with aqueous nitric acid to dissolve it, then, after further treatment to adjust the acidity, it was treat..
What was EG's parents' diagnosis? Be sure completely explain your diagnosis including any causes you can identify. Use your favorite word processing software to write an essay that answers and explains the situation
Crude gunpowders often contain a mixture of potassium nitrate and charcoal (carbon). When such a mixture is heated until reaction occurs, a solid residue of potassium carbonate is produced.
Two separate containers filled with nitrogen gas, each contain 0.16 moles of gas. Container 1 has a volume of 0.188 L at a temp of 169.2 K. The second container is kept at 247.8 K. What is the volume (in liters) of nitrogen gas in container 2. Con..
An 11 liter tank is filled with 80 moles of air at at pressure of 203 bar. What is the temperature of the air in the tank in degrees Celsius
Find the pH during the titration of 20.00 mL of 0.1000 M butanoic acid, CH3CH2CH2COOH (Ka = 1.54 x 10^-5), with 0.10 M NaOH solution after the following additions of titrant. a.) 15.00 mL b.) 20.90 mL c.) 27.00 mL
A student separated the components of a 2.743 g sample of beach sand. The separation yielded 0.632 g sea salt, 0.456 g sea shells, and 1.352 g sand. (A) calculate the mass percent of each component in the original mixture. (B) Calculate the total ..
How long would it take the same number of moles of Ar(g) to effuse through the same membrane?
How many milliliters of .040 M NaOH are needed to exactly neutralize 100.0 mL of an HNO3 solution with a pH of 2.50
Calculate [OH-] for each of the following solutions, and indicate whether the solution is acidic, basic, or neutral.
The speed of light in a vacuum is 2.998x10^8 m/s. what is the speed of kilometers per hour. what is the speed in miles per minutes.
When 15.6 mL of 0.500 M AgNO3 is added to 12.5 mL of 0.300 M NH4Cl, how many grams of AgCl are formed
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