A chemist dilutes a 3.0L sample of 2.0 M KNO3 by adding water to it. If the concentration of the solution that is obtained is 0.00070 M. What is its volume?

Aaspirin has a density of 1.40 g/cm^3 what is the volume in cubic centimeters of a tablet weighing 320 mg?

What is the name of this hydrocarbon?

Which buffer would be better able to hold a steady ph on the addition of strong acid, buffer 1 or buffer 2? explain. buffer 1: a solution containing 0.10 m nh4cl and 1 m nh3. buffer 2: a solution containing 1 m nh4cl and 0.10 m nh3