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Question- Using the information you gained from your TLC plates, describe how you could separate and collect larger quantities of chlorophyll and carotene using column chromatography.
Answer all three questions and provide required steps
What masses of NaCl and water are needed to prepare 1000g of a solution that is 0.90% by mass
Calculate the Ka for the acid. The initial concentration of the acid is 0.010m?
Calculate a rough value of the concentration of OH- ion, [OH-], in the saturated solution.The approximate value of the Ksp for calcium hydroxide is 6.510?6
how many mol of CO2 are produced for every mol of pentene reacted. The chemical reaction is pentene + oxygen = carbon dioxide + water.
Volume of 18.0 M sulfuric acid that must be added to water to prepare 2.00 L of a .309 M solution then compute the molarity of the solution obtained by diluting 80.6mL of .225 M ammonium chloride to .250 L will rate all answers and give lifesaver
Qualitatively explicate the difference in the stretching frequencies for F2, Cl2, Br2 and I2. Also define the difference in the stretching frequencies for N2, O2 and F2.
Question- A 3.251 g sample of technetium-95 is sealed in a container. After 64.3 hours, the amount of technetium-95 remaining is 0.801 g. 1) What is the rate constant k
among the elementary subatomic particles of physics is the muon which decays within a few nanoseconds after formation.
Find out the reagents for a Diels-Alder synthesis of (1R,2S,3R,4S)-7-oxabicyclo[2.2.1]hept-5-ene-2,3-dicarbonitrile. Depict the diene and the dienophile
The procedure instructs you to use a stir bar to mix the solution while adding NaOH. Descirbe any differences in the graph
What volume of 0.25 M HCl solutions must be diluted to prepare 1.00 LK of 0.040 M HCl?
if you knew an electron transfer center in a protein had a reduction potential of -400 mv what would be the most likely
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