What is #P_2O_5#?

1 Answer
Jul 17, 2017

Answer:

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........