Tell us about the physical properties of phosphorus (V) oxide. What property of phosphorus (V) oxide is called hygroscopicity?

Tell us about the physical properties of phosphorus (V) oxide. What property of phosphorus (V) oxide is called hygroscopicity? How is this property of phosphorus (V) oxide used? How should I store phosphorus (V) oxide?

Phosphorus (V) oxide P2O5 is a white loose powder extremely hygroscopic. Therefore, it should be stored in hermetically sealed containers.
Hygroscopicity – the ability of a substance to absorb water vapor from the air.
Due to the fact that phosphorus (V) oxide P2O5 absorbs water vapor well, it is used as a dehydrating agent, for example, for drying gases.

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