What is the ph of a buffer solution
Question: What is the pH of a buffer solution prepared by mixing 10.0 mL of 0.15 M ammonia and 15.0 mL of 0.20 M ammonium chloride? Assume that the total volume of the solution is 25.0 mL. Kb for ammonia is 1.8 x 10-5.
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The entropy chage for vaporization of Hi at its boiling point is 89.0 J.K-1.mol-1. If the heat of vaporization of HI is 21.2 kJ.mol-1, what is the boiling point of HI?
Show that a 2.00 g sample of PbCl2 will dissolve in 25.0 mL of 1.00 M HCl.
What is the pressure in millimeters of mercury of 0.0105 mol of helium gas with a volume of 220 mL at a temperature of 50 degree Celsius?
Calculate the pCa+ of a solution that results from the mixing 50.0ml of 0.0100 M Ca+2 with the following solution which are buffered at a pH of 10.0:
What is the pH of a buffer solution prepared by mixing 10.0 mL of 0.15 M ammonia and 15.0 mL of 0.20 M ammonium chloride?
What is the importance of surface area (particle size), nucleation, and diffusion rate in terms of solid state reactions?
If 0.015 M NaCl shows conductivity of 12,000 unites, based on "total ion concentration" what conductivity should be observed for 0.015 M K2SO4?
After the solid sank to the bottom of the graduated cylinder the volume in the graduated cylinder was read as 15.2 mL. What is the density of the solid?
The solubility of CO2 in water at 25°C and 1 atm is 0.034 mol/L. What is its solubility under atmospheric conditions? (The partial pressure of CO2 in air is 0.0003 atm.) Assume that CO2 obeys Henry's law.
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