 Volumetric Flask: Mixing the Solution in a Volumetric Flask (Wisconsin chemistry teaching module)

Online text: www2.chem.wisc.edu/deptfiles/genchem/lab/labdocs/modules/volflask/volflaskmix.htm

Web host: University of Wisconsin–Madison Department of Chemistry website. No personal author, institutional issuer or publication date is identified in the inspected module. The text explains the homogeneity requirement; no measured concentration readings are supplied.

Cited passages: Opening explanatory paragraph: neck liquid may differ from bulk concentration; Final sentence: neck solution must have same concentration as remainder.