Which reactant (X) is missing from the equation shown?
X + PO4 → H3PO4
One hydrogen ato...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 23.02.2021 17:50, gallla
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
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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