Initial Cost Estimates For The Iraq War Were Almost Too Low To Believe. The U.S. will shell out somewhere as much as $6 trillion dollars for the Iraq War, once all is said and done, according to a recent report out of Brown University. According to Reuters, that figure includes $1.7 trillion spent so far with an additional $490 billion in benefits.
Best Answer: A solution has the greatest buffering capacity when the concentration of the weak acid is = at the concentration of its conjugate base. In this case i thing that the correct answer is c. Source(s): Dr.A Â· 6 years ago.
Forbest calibration accuracy, use buffers with values that areclose to the normal pH value of the solution being meas-ured. For example, if the solution being measured isnormally 2 pH, it is best to use 4 pH and 7 pH buffers ratherthan 7 pH and 10 pH buffers. Ideally, one of the buffervalues for this example should be 2 pH.Adhere to the standard practice of using calibration buffersthat are at least three pH units apart.