posted by Anonymous .
what volume of a 2.5m stock soltio of acetic acid (HC2H3O2) is required to prepare 100.0 mililiters of a 0.50m acetic acid solution?
X-0.02 L or 20 ML
If you are too lazy to find (and use) the caps key in chemistry it can lead to serious problems. If m should be M (M = MOLAR; m = MOLAL) the answer provided by Wrinkly is correct. The same applies to things such as Co = cobalt, CO = carbon monoxide, co = company, etc. Beware.