Wipe off any liquid adhering to the outside of the pipet and discard the first ml. Hold the pipet just above the surface of the acid and transfer 2 ml into the flask, leaving at least 1 ml in the pipet.
Wipe off any liquid adhering to the outside of thepipet and discard the first ml. Hold the pipet just above the surface of the acidand transfer 2 ml into the flask, leaving at least 1 ml in the pipet.