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You will have a mixture of three compounds where the two major components (>20%) will be a neutral and either an acid or a base. the third component (<10%) is another neutral compound. you will be required to find the original mass percent of your mixture (A%, B%, C%) and identify the two major components. The possible compounds are listed below. Two methods of positive identification are required for each compound. Benzoic acid benzoin 1,4-dibromobenzene flourene o-Toluic Acid 4-aminoacetophenone
how many grams of sulfur dioxide are produced when 45.0g of thionyl chloride reacts with excess water?
It is possible to determine the ionization energy for hydrogen using the Bohr equation. Calculate the ionization energy for an atom of hydrogen, making the assumption that ionization is the transition from n=1 to n=∞.
During the isomerization of trans-1,2-dibenzoylethylene C16H12O2 using 95% Ethanol C2H6O , and UV light irradiation. What is the overall equation for this reaction. What is the product
What pH is needed to precipitate Ni(OH)2 so completely that the nickel concentration is less than 1.1 x 10-5 M (Ksp = 1.6 x 10-14)
What volume (V) of 2.20 M NaOH solution must you add in order to prepare an acetate buffer of pH = 4.26? (The pKa of acetic acid is 4.76.)
dependent Schrodinger equations of a particle with mass m confined in the one-dimensional potential (1/2)kx^2 , where k is some constant.
Based off of pka values of 10 for phenol and 6.4 for carbonic acid, would sodium bicarbonate be a suitable base for separating phenol from a neutral organic compound via aqueous extraction?
A solution was prepared by dissolving 5.76g of KCL*MgCl2*6H2O (277.85g/mol) in sufficient water to give 2.000L
Mendeleev ordered the elements in his version of the periodic table on the basis of atomic masses instead of their atomic numbers. why
What is the density of Ar gas (molar mass, 39.95 g mol-1) at 21.2oC and 1.10E2 kPa? Give your answer in grams per litre (g L-1), accurate to three significant figures
Calculate the pH and molar concentration of each protonated form for a 0.133 M solution of NaHA.
Methyl alcohol (CH3OH) is made by reacting carbon monoxide with H2. Starting with 2.5 g of H2 and 30 L of CO, what mass of methyl alcohol could be produced at STP? which is the limiting reactant?
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