Which reactant (X) is missing from the equation shown?

X + PO4 → H3PO4


One hydrogen atom
One hydrogen atom

One phosphorus atom
One phosphorus atom

Three hydrogen atoms
Three hydrogen atoms

One oxygen atom
One oxygen atom

Relax

Respuesta :

Answer:

three hydrogen atoms

Step-by-step explanation:

H3 + Po4 ----> H3Po4

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