Water and Solutions — for Dirty Laundry: Crash Course Chemistry #7

Dihydrogen monoxide (better know as water) is the key to nearly everything. It falls from the sky, makes up 60% of our bodies, and just about every chemical process related to life takes place with it or in it. Without it, none of the chemical reactions that keep us alive would happen – none of the reactions that sustain any life form on earth would happen – and the majority of inorganic chemical reactions that shape the surface of the earth would not happen either. Every one of us uses water for all kinds of chemistry every day – our body chemistry, our food chemistry and our laundry chemistry all take place in water.
In today’s Crash Course Chemistry, we use Hank’s actual dirty laundry (ew) to learn about some of the properties of water that make it so special – it’s polarity and dielectric property; how electrolytes can be used to classify solutions; and we discover how to calculate a solution’s molarity as well as how to dilute a solution using the dilution equation.

Table of Contents
Polarity 02:40
Dielectric Property 04:13
Electrolytes 04:29
Molarity 08:46
Dilution 10:56

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