A buffer solution is prepared by using 0.100 M of HAC and 0.150 M of NaAc. What is the pH of this buffer solution? Ka of
HAC / Ac = 1.74 x 10-5
pH =

Match term definition ellipse a) diagonal cross section of a cylinder circle b) diagonal cross section through the widest part of a sphere sphere c) cross section parallel to the base of a cone great circle d) shape created when a semi-circle is rotated around the y-axis triangle e) perpendicular cross section of a cone

Which compound contain an iron with a 3+ charge

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?