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Problem- Calculate the volume in milliliters of an organic solvent that must be used to remove 60 % of a compound present in 100 mL of an aqueous solution with only on extraction? Given Korganic solvent/water = 3.0.
Here is the problem which I am struggling on, please help me
Assuming that a chemical reactions doubles in rate for each 10 C Temperature increase, by what factor would the rate increase
0.1 g of Na2CO3 - K2CO3 powder mixture was reacted with excess HCl. According to the gas volumetric measurement, 20.4 cm^3 of CO2 was evolved at 25 degrees Celcius and 730 Hgmm pressure. Calculate the composition of the original mixture
The student incorrectly lists the species in solution as H+, C+4, O-2. Give the correct list of species in the solution.
How many grams of Na2EDTA·2 H2O (FM 372.23) should be mixed with 2.07 g of Ca(NO3)2·2 H2O (FM 200.12) in a 500 mL volumetric flask to give a buffer with pCa2+ = 9.00 at pH 9.00?
maximum yield of benzocaine that I could obtain from experiment based on the amount of p-toluidine used in step one is 8.2099 g step one calculate the % yield of n-acetyl-p-toluidine
The CO2 reacts. yielding a precipitate of BaCO3, but the CO does not react. This method was used to analyze the equilibrium composition of the gas obtained when 1.77 g of CO2 reacted 2.0 g of graphite in a 1.000L container at 1100K. The analysis y..
you take a 25.00 g ice cube temperature -20 ec and place it in 225.00 g of water at 22 ec. what will the temperature of
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write the mathematical expression for the equilibrium constant, Keq, as a function of the concentrations of the products and reactants for this reaction
a solution is prepared by dissolving 20.0 g ammonium sulfate in enough water to make 100.0 ml of stock solution. a
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If the mass of NaCl is 11.69 g. What would be the number of moles of all solutes (including cations and anions)
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