preparing a stock solution of high concentration

Описание к видео 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 co...  
video 2: dropping the distilled water till the mark of the volumetric flask:    • adding distilled water till the mark ...  
video 3: steps followed to dilute a concentrated stock solution:    • the steps to dilute a concentrated st...  

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