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QUESTION
What would be the formula for diphosphorus pentoxide?
Here's my thought process:
- From name: phosphorus ##->## ##"P"##
- "di" ##->## ##2##
- From name: oxide ##->## ##"O"##
- Anion stem: "ox"
- "pent" (instead of "penta", since "ox" starts with a vowel) ##->## ##5##
##->## ##"P"_2"O"_5## (empirical formula)
