What Is P4O10?

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P4O10 is a chemical structure that has a number of very interesting properties. Find out about P4O10 with help from a chemistry professional in this free video clip.

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Video Transcript

Hi, I'm Robin Higgins, and this is "what is P4O10?" Okay, so chemical symbol P4O10 actually creates this structure, and so you can see that it has four different six numbered rings, so you've got your main chair, right here, and then you have another sideways chair, right here, and then you have two additional rings, right here, and right here. So, the name of this structure is phosphorus pentoxide and it's used primarily as a drying agent. It comes from phosphoric acid, and so, some facts about it, it's a white solid. It's molecular mass is 283.9 grams per mole. It's melting temp is 343 degrees Celsius, so it's really stable as a solid, and it's density is 2.39 grams per mil, so it's pretty heavy. So, yeah, so if you need water removed from your solution, or not your solution, but some kind of reaction you're doing, this is a really good drying agent. I'm Robin Higgins and this is "what is P4O10?"


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