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Chemistry 14 Online
OpenStudy (anonymous):

Which is the correct name for P2O5

OpenStudy (ulahlynn):

Phosphorus pentoxide is a chemical compound with molecular formula P4O10 (with its common name derived from its empirical formula, P2O5). - wikipedia. :)

OpenStudy (anonymous):

Use the prefix method. (mono , di, tri, etc.)

OpenStudy (jfraser):

you need to use prefixes for BOTH elements in the compound, since the first element contains more than one phosphorous

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