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4 votes
Which chemical equation is balanced?

2PCl5 + 2H2O → 2HCl + H3PO4



PCl5 + H2O → HCl + H3PO4



PCl5 + 3H2O → 5HCl + H3PO4



PCl5 + 4H2O → 5HCl + H3PO4

User Manas Saha
by
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1 Answer

4 votes
the last one, because there is the same number of atoms (P, Cl, H, and O) on both sides of the reaction.
User Poddroid
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7.4k points
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