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A 0.32-mol amount of NH3 is dissolved in 0.47L of a 0.38 M silver nitrate solution. Calculate the equilibrium concentration of Ag(NH3)2+ and Ag+ and NH3?
determine the freezing point of a solution which contains 0.31 mol of sucrose in 175 g of water. kf
A 0.7995 g sample of a compound containing only uranium and chloride is dissolved in water and excess aqueous silver nitrate is added to precipitate 0.9982 g of silver chloride . Calculate the empirical formula of the compound.
When 0.040 mol of propionic acid, C2H5CO2H, is dissolved in 300 ml of water, the equilibrium concentration of H3O+ ions is measured to be 1.23 x 10-3 M.
Calculate the value of Keq for the following equilibrium when [H2]=0.228M, [I2]=0.228M and [HI]=1.544 H2 + I2 -> 2HI
Claculate the potential for this cell, Ecell, at 25 degree Celsius. Can a reaction be spontaneous at 298 K when its delta Grxn (298 K) is positive
this is a post lab question: you did not correct for the barometric pressure for the vapor pressure of water. what happens to your calculations
Determine the pH of an aqueous solution of CaCO3 that contains 1.7*10^-6 M of hydroxide ion [OH^-].
How many moles of NaOH must be added to 0.550 L of 0.191 mol/L HC3H5O2(aq) to obtain a solution with pH=4.7. Assume the temperature is 25oC. (For HC3H5O2, pKa=4.89 at 25oC).
A bacterial culture isolated from sewage produced 35.5mL of methane, CH4 at 31degrees Celcius and 753 mmHg. What's the volume of this methane at standard temp. and pressure(0 degrees C and 760 mmHg)
Hemoglobin has a positive charge of +5 and a radius of 3.55 nm in water. How far will the protein travel in one hour in an electrophoresis gel at 25C when a field of 1.0 V cm^-1 is applied if the viscosity of the gel is 0.891 cP
The pH of an acid solution is 5.14. Calculate the Ka for the monoprotic acid. The initial acid concentration is 0.010M.
A 24.60 mL sample of 0.185 M HNO3 requires 27.35 mL of a KOH solution for complete neutralization in an acid-base titration. What is the molarity of KOH
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