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How many milligrams of MgI2 must be added to 250.0 mL of 0.0876M KI to produce a solution with [I-]=0.1000 M? Note that this assumes no volume change upon addition, probably not abad assumpution for such a small amount.
a gas mixture composed of helium and argon has a density of 0.727gl at a 755mmhg and 298k .what is the composition of
For 550.0 mL of pure water, calculate the initial pH and the final pH after adding 0.010 mol of pH
The solubility product for Zn(OH)2 is 3e-16. The formation constant for the hydroxo complex, Zn(OH)4 2- is 4.6e17. What is the minimum concentration of OH- required to dissolve 1.2e-2 mol of Zn(OH)2 in a liter of solution
the reaction of the Grignard reagent containing more carbon atoms with the carbonyl compound containing less carbon atoms andscheme two involves the reaction of the Grignard reagent containing less carbon atoms
Glucose Isomers, When glucose is placed in water two stereoisomers are formed, one with the new OH on the opposite side of the ring than the 6th carbon
Nickel has a face-centered cubic unit cell. The density of nickel is 6.84 g/cm3. Calculate a value for the atomic radius of nickel. in picometers
A car battery contains 1.0 L of 4.3 M sulfuric acid. Using the value in your answer to question E., calculate how many TUMS® tablets would be required to neutralize all the sulfuric acid in a car battery.
What is the density of an aqueous solution of potassium nitrate, that has a normal boiling point of 103.0 degrees Celsius, and an osmotic pressure of 122 at 25 degrees Celsius
Using 1-butanol as the only organic starting material, write out a series of reactions that will produce this molecule:
how many metric tons t of oxygen are combined in a sample of pitchblende that contains 2.5 t of uranium? analysis
Caffeine crystals always contain at least one molecule of water per caffeine molecule. Draw chemical structures to explain why a water molecule might be essential to producing a stable crystal of caffeine.
Draw three resonance structures for N2O (nitrous oxide) and identify the most "important" resonance structure.
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