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Problem- The Ka of HF is 6.3X10^-4. Suppose you prepare a solution by dissolving 1.04 g of NaF in 50.9mL of 0.51M HF. Assuming that the volume of the solution doesn't change after adding the NaF, what is the pH of the solution after you dissolve the NaF?
Explain the each and every step in detail for help
given two separate solutions 0.100 m ammonia and 0.100 m ammonium chloride calculate the volume of each solution to
A sample of iron was dissolved iin hydrochloric acid. The liberated hydrogen was collected by displacement of water. The hydrogen occupied 262 mL at 26 c.
The Party Guy, Mr. Balloon, is making animal figures out of long thin balloons that he twists into different shapes. Assume that the balloons are of uniform thickness.
a constant volume container holds an equilibrium mixture of cl2g pcl3g and pcl5g gases which have partial pressures
Acetylene gas (C2H5) at 25 degrees C is burned during a steady-flow combustion process with 30 percent excess air at 27 degrees C. It is observed that 75,000kJ of heat is being lost from the combustion chamber to the surroundings per kmol of acety..
Calculate the expansion work done against a constant external pressure of 0.969 atm and at a constant temperature of 24°C. Assume that the initial volume of dry ice is negligible and that CO2 behaves like an ideal gas.
a nugget of pure gold of 4.90 grams absorbed heat of 270 joules. determine the final temperature of the au if the
Is there enough info to calculate the pressure of gas if the barometric pressure is 755 torr and if so what is the answer
acetylene gas undergoes combustion to produce carbon dioxide and water vapor. if 75.0 l of co2 are produced how many
At what temperature would the rms speed of H2molecule be same?
What can you say about the realtive magnitudes of the latice energy of lithium iodide and its heat of hydration?
Calculate the wavelength of the light in nanometers corresponding to this transition. You can use the following values for your calculations: Planck's constant (h) = 6.626x10^-34 Jxs, speed of light (c) = 2.998x10^8 m/s, and 1m=10^9nm.
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