It takes 3 minutes for Ann to run 800 meters without sandbags. If
Ann runs 800 meters with sandbags, it will take 2 more minutes.
What is the speed for running with sandbags?
m/min

Calculate the ph at the equivalence point for the titration of a solution containing 150.0 mg of ethylamine (c2h5nh2) with 0.1000 m hcl solution. the volume of the solution at the equivalence point is 250.0 ml. kb forethylamine is 4.7 × 10−4 .