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03-06-2018
Chemistry

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Which chemical equation is balanced?

2PCl5 + 2H2O → 2HCl + H3PO4

PCl5 + H2O → HCl + H3PO4

PCl5 + 3H2O → 5HCl + H3PO4

PCl5 + 4H2O → 5HCl + H3PO4

Respuesta :

03-06-2018

the last one, because there is the same number of atoms (P, Cl, H, and O) on both sides of the reaction.

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