Lab Skills: Preparing Stock Solutions
Channel: It's Learnable
Date: 2021-08-20

in this video I walk you through the process of preparing a stock solution.

00:00 - Introduction

00:57 - Obtaining the molecular weight of your reagent
02:10 - Calculations (How many grams do you need?)
04:09 - Using the scale
05:52 - Selecting the right beaker
06:62 - A note about water: use the most pure water available to you
07:06 - Making the actual solution
08:09 - Proper use of a stir plate
10:09 - Bringing the volume up to the desired amount
14:21 - Using Parafilm