Question

Mr (P2O5) ? Помогите)

Answer 1

Mr (P2O5) = Ar(P)x2 + Ar(O)x5= 31x2 + 16x5 = 142

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Answer 2

P2O5 stands for diphosphorus pentoxide, which is a chemical compound composed of two phosphorus atoms and five oxygen atoms. It is a white, crystalline solid that is a powerful desiccant and dehydrating agent. When it reacts with water, it forms phosphoric acid.

Diphosphorus pentoxide is commonly used in organic synthesis as a dehydrating agent. It is also used in the production of phosphoric acid and other phosphorus compounds. Additionally, it is utilized in the manufacturing of fertilizers and as a catalyst in organic reactions.

In terms of its properties, diphosphorus pentoxide is highly hygroscopic, meaning it readily absorbs moisture from the air. This property makes it useful in applications where water needs to be removed from a system, such as in chemical reactions or in the preservation of sensitive materials.

Overall, P2O5 plays a significant role in various industrial processes and chemical reactions due to its dehydrating properties and its role in the production of phosphoric acid and fertilizers.