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Fe 2+(aq) + 6CN- (aq) -->/<-- [Fe(CN)6] 4- (aq) where Kf = 4.21 x 10 ^ 45 The average human body contains 5.30 L of blood with a Fe 2+concentration of 2.70×10 -5 M. If a person ingests 9.00 mL of 14.0mM NaCN, what percentage of iron(II) in the blood would be sequestered by the cyanide ion?
The distribution coefficient, k = (conc. in hexanes/ conc. in water), between hexanes and water for solute A is 7.5 . What weight of A would be removed from a solution of 10g of A in 100mL of water by a single extraction.
Calculate the specific heat was? Would your computed specific heat be , too low, too high or not affected if you had not dried the metal before placing it into the Styrofoam cup. Explain your answer?
Explain why the boiling point of an aqueous solution that is 1.0 m in glucose (C6H12O6) is 100.51oC whereas The boiling point of an aqueous solution that is 1.0 m in NaCl is 101.02 oC .
Determine what would you use to prepare 10 ml of 0.2M CaCl 2 from the 20M stock solution and find out which solution is with pH > 7, but is not an Arrhenius base in the strict sense?
Determine how many grams of aluminum hydroxide will get from 18.2g of aluminum sulfide and determine the density of this newly minted penny
Find out the Kb of ammonia if the pH of a buffer formed by mixing 50.0 mL of 1.00 M NH 3 and 50.0 mL of 1.00 M ammonium nitrate?
Determine water solubility under normal atmospheric conditions (assuming that Carbon dioxide obeys Henry's law?)
determine how many grams of CaH 2 are required to generate 145 Litres of hydrogen gas if the pressure of hydrogen is 825 mm Hg at temperature of twenty one degree Celsius? .
Give explanation why it is not practical to evaluate the solubility of the two salts AX and BY2, by simply comparing the solubility product constants?
Find what is the initial concentration of the chlorine before dilution - unknown concentrated chlorine
Calculate the PH of this solution.
Some of the cyclohexane solvent vaporized during the temperature versus time measurement. Will this loss of cyclohexane result in its freezing point being recorded as too high, too low, or unaffected.
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