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A. Calculate the solubility (milligrams per liter) of Zn2Fe(CN)6, which dissociates as follows with Ksp = 2.1E10-16.
Zn2Fe(CN)6(s) --> 2 Zn2+ + Fe(CN)64- (Ferrocyanide)
B. Calculate the molar concentration of ferrocyanide in a solution of 0.031 M ZnSO4 saturated with Zn2Fe(CN)6. ZnSO4 will be completely dissociated into Zn2+ and SO42-
C. What molar concentration of K4Fe(CN)6 should be added to a suspension of solid Zn2Fe(CN)6 in water to give [Zn2+] = 6.9 10-7 M?
A 325-mL sample of solution contains 25.3 g of CaCl2 calculate the molar concentration of Cl in this solution
Draw the structures of salicylic acid and aspirin. Circle and identify the functional groups present in each compound and sulfuric acid is a catalyst. What does that mean?
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Consider one mole of a monatomic ideal gas at 300 K that udergoes a free expansion from a volume of 1m^3 to 10 m^3. a). How much does the chemical potential of each molecule in the gas change?
if junipers were allowed to grow in a medium containing acetate in which the methyl carbon was labeled with 14C
What is the molar mass of a nonelectrolyte compound if 3.42 grams of the compound dissolved in 41.8 grams benzene begins to freeze
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A solution has an H3O1+ concentration of 1.7 10-2 M. What is the hydroxide ion concentration?
The cytochrome b complexes of the mitochondrion and the chloroplast have similar organization and function. They each pass electrons from a reduced quinone to a peripheral membrane protein
Four materials (A, B, C, D) have approximately equal melting points. All possible combinations of two of the four solids were prepared by combining equal amounts of each solid.
Predict the sign of the entropy change in the system for each of the following processes, and explain your answers. 1) AgI precipitates from a solution containing Ag+ and I- ions.
When the flask is allowed to cool the vapor condenses and aire again refulls the flask. Re weighing the flask and figure out the the wight of the unknown vapor which filled the flask during the boiling. Is the error in volume measurement or the err..
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