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Suppose no mmol of solute A in Vaq mL of aqueous solution is extracted with Vorg mL of an immiscible organic solvent. At equilibrium, n mmol of A will remain in the aqueous layer and (no-ni)mmol will have been transferred to the organic layer.
Show that the concentration of A remaining in the aqueous solution after i extraction with the immiscible organic solvent ([A]i) is [A]i=(Vaq /Vorgk +Vaq )i [A]o
No of Pages/Words : one
Standardization of Na2S2O3, Added 0.12 g KIO3 and dissolved in 75 mL of distilled water. Added .20 g of KI to solution, then added 10 mL of 1M HCl and immediately titrated with thiosulfate solution (made by weighed 25 g of Na2S2O3-5H20
Estimate the Vmax and Km of the enzyme catalyzed reaction from both of the plots. Compare your results from the two methods and explain why they are slightly different.
Draw all possible isomers for the molecule having the formula C7H7C1. The molecule contains one benzene ring.
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A procedure was performed on a 0.49 g sample of copper oxide and 0.40 g of dry copper metal was recovered. Show all the steps solving for the empirical formula of copper oxide and keep significant figures in mind.
Using either acetone or ethanol (your choice) as your only organic source of carbon, make acetacetic ester
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NaHCO3 + HCl I have provided the products for you here. Can you please try to determine the reactants and then balance the full equation.
What is the molar mass of a gas if 0.250 g of the gas occupies 215 mL at 618 mmHg and 30.0°C?
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