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1. Describe the preparation of 10.L of 0.0500M KmnO4 (158 g/mol) from solid reagent.
2. What mass of sold LA (IO3)3 (663.6 g/mol) is formed when 37.05 mL of 0.250 M La+3 are mixed with 95mL of 0.302 M IO3-? Calculate the molar concentration of the unreacted ion (i.e, LA+3 or IO3-)
Give the titration curve for the reaction of C5H5N with HCl. The known solution is the acid, and the base is added to the acid.
Write electron pushing mechanism of Friedel-crafts acylatoin of anisole with acetic anhydride as acylating reagent and aluminum chloride and CH2Cl2
What is the kinetic energy of the emitted electrons when cesium is exposed to UV rays of frequency \rm 1.5\times 10^{15}~Hz
The average concentration of strontium ion in seawater is 8.00 mg of strontium ion per kg of seawater. What is the molarity of the strontium ion if the density of the seawater is 1.025 g/mL.
if 120.9 ml of water is shaken with a gas at 0.860 atm it will dissolve 0.00286 g of the gas. estimate the henrys law
the molality of a solution is the number of moles of the solute that is dissolved in 1000 g of solvent. using the
Given that an atom of a semiconductor has a diameter of 3.10 A, what is the maximum number of moles that fit in the channel of a processor chip that is 79.9 nm long, 76.1 nm wide and 315 nm thick
calculate the density of the pheromone in grams per liter in a cylindrical air space with a radius of 0.50 mi and a height of 40ft.
during lab you measured the ph of common household items. write net broslashnsted equations that show the acidic or
How long does it take for the radioactive isotope to decay to 4.9×10?3 mg? (Assume no excretion of the nuclide from the body.)
what is the balanced equation of the burning of an unknown hydrocarbon
What is the effect on Kc when the temperature of an exothermic reaction is lowered. according to le chatelier's principle how is equilibrium in part a reached
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