18th November 2019

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What does a 20x stock solution mean?

For example, the buffer saline sodium citrate (commonly referred to as SSC) is usually made up as a 20X stock solution. Example 2: A 1X solution of SSC can be prepared from a 20X SSC stock solution by mixing one unit volume of 20X SSC with 19 volumes of water.

Similarly, it is asked, what is pure as a drug?

Even though it's supposed to be pure MDMA, Molly is just as likely to be mixed with other substances as any other drug. Supposedly "pure" Molly can contain ephedrine (a stimulant), dextromethorphan (a cough suppressant), ketamine, caffeine, cocaine, methamphetamine, or even bath salts.

How do you dilute a stock solution?

As an example, say you need to prepare 50 ml of a 1.0 M solution from a 2.0 M stock solution. Your first step is to calculate the volume of stock solution that is required. So to make your solution, you pour 25 ml of stock solution into a 50 ml volumetric flask. Dilute with solvent to the 50 ml line.
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