preparing a stock solution of high concentration

This is an instructional video showing the steps followed to prepare a concentrated stock solution. following this video: video 1: steps followed to prepare a stock solution    • preparing a stock solution of high concent...   video 2: dropping the distilled water till the mark of the volumetric flask:    • adding distilled water till the mark in a ...   video 3: steps followed to dilute a concentrated stock solution:    • the steps to dilute a concentrated stock s...