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A student weighs out 0.568 g of KHP (molar mass = 204 g/mol) as well as titrates to the equivalence point with 36.78mL of a stock NaOH solution. Explain what is the concentration of the stock NaOH solution? KHP is an acid with one acidic proton
imagine that you have a 5.00 l gas tank and a 2.50 l gas tank. you need to fill one tank with oxygen and the other with
If the pH of a solution is 4.2 (at 25 degrees C) what is the hydronium and hydroxide ion concentrations, and the pOH of the solution
The reaction A=B+ C is second order in A. when [A}0=0.100M, the reaction is 20% complete in 35 minutes. Calculate the value of the rate constant in ( L/min.mol)
Rxn of triphenylphosphine with benzyl bromide produces the corresponding phosphonium salt. Suggest a suitable mechanism for this rxn
Chlorine Dioxide has been used as a disinfectant in AC systems. It reacts with water according to the equation: 6ClO2+3H2O à 5HClO3+HCl
the three species n2 co and cn- are isoelectronic. comment on the location of any formal charges in these moleculesion
How many grams of Neomycin sulfate should be added to 320 g of 5% neomycin sulfate ointment to prepare an ointment containing 20% neomycin sulfate
Exactly 750.0ml of a solution that contained 480.4ppm of Ba(NO3)2 were mixed with 200.0ml of a solution that was 0.03090 M in Al2(SO4)3. What mass of solid BaSO was formed
It is possible to determine the ionization energy for hydrogen using the Bohr equation. Calculate the ionization energy for an atom of hydrogen, making the assumption that ionization is the transition from n=1 to n=infinity.
a student placed 14.5 of glucose in a volumetric flask added enough water to dissolve the glucose by swirling then
Calculate the amount of heat needed to boil benzene (C6H6), beginning from a temperature of 6.7 degrees celcius.
if 1.0 volumes of 1.0 m solutions of sodium hydroxide and lead ii nitrate are mized how many moles of product are
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