Calculate the number of moles of oxygen present in 2.0g of Na3PO4
Molar mass of Na3PO4=164gNa_3PO_4=164gNa3PO4=164g
Moles of Na3PO4=2164Na_3PO_4= \frac{2}{164}Na3PO4=1642
Moles of oxygen atoms
4×2164=0.04878moles4×\frac{2}{164}=0.04878 moles4×1642=0.04878moles
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