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10-07-2016
Chemistry

contestada

One molecule of the oxide of element Z reacts with six molecules of water to
produce an acidic compound. What is element Z ?

Respuesta :

10-07-2016

I can guess that Z is Phosphorus. So the oxide - P4O10 (but the most known its empirical formula P2O5). Reaction with water:
P4O10 + 6H2O = 4H3PO4. Acidic compound is phosphoric acid.

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