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.
placing the electrodes in solutions of known pH (buffers) and measuring the voltage of the cell. Because the cell potential is a linear function of pH (usually in the range of pH 2-11), two calibration points (2 pH buffers) are needed. Most common is the calibration with the IUPAC buffers pH 4.005 and pH 10.012 (@ 25Â°C).