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A 2.0L solution contains [Ag+] = 0.1M and [Pb2+] = 0.1M (Ksp = 1.8E-10 for AgCl and Ksp=1.8E-5 for PbCl2). Explain how many grams of NaCl must be added to precipitate a maximum amount of AgCl before any PbCl2 begins to precipitate?
A gas of unknown molecular mass was allowed to effuse through a small opening under constant-pressure conditions. It required 67 s for 1.0 L of the gas to effuse. Under identical experimental conditions it required 24 s for 1.0 L of O2 gas to effu..
Please explain in detail how get the pKa to solve the problem. that the pKa is supposed to be 6.37, but that does not seem to get the right
the assumption that the entropies of deprotonation of the ground and excited state 2-naphthol molecules are equal.
If it takes 3.48 x 10-19 J of energy to eject an electron from the surface of a certain metal, compute the longest possible wavelength, in nanometers, of light that can ionize the metal.
Which of the following chemicals have the highest value 1-10 for electrical conductivity when dissolved in water and why
Using the van der Waals equation of state, what is the pressure of 1.423 mol of helium in a container of volume 5.412 L and a temperature of 25.0 C
the reaction between lithium metal and chlorine gas is described by the following thermochemical equationlis
The activation energy of a certain reaction is 52.9 kJ/mol. How many times faster will the reaction occur at 35 degrees C than at 25 degrees C
What mass of copper would be produced by the reduction of copper(II) ions during passage of 1 ampere of current through a solution of copper(II) sulfate for 51 minutes?
Calculate the pH of a solution prepared by dissolving .370 mol (HCO2H) and .230 mol (NaCO2H) in H2O sufficent to yeild 1.00L of solution. Ka=1.77x10^-4
You made up a saturated solution of calcium sulfate (CaSO4). The temp is 25 degrees Celsius. You then add 5.00*10^-3 of sodium sulfate (Na2SO4). What are the concentrations of calcium and sulfate after equilibrium is reached? The pKs of CaSO4 is 4..
How much water is produced in the burning of C7H16
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