What is P_2O_5?

1 Answer
anor277
Jul 17, 2017

Well phosphorus pentoxide is a dense free-flowing white powder, that has a melting point of 340 ""^@C....

Explanation:

It reacts with water to give phosphoric acid.......

P_4O_10+6H_2Orarr4H_3PO_4

........and in fact it is so hygroscopic, that when you use a tin that has been already been opened, you find a syrupy crust of phosphoric acid that you must dig beneath to get at the good stuff.

The molecular formula is P_4O_10; sometimes it is formulated as P_2O_5, i.e. as its empirical formula........

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