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tiny-mole [99]
3 years ago
10

What is the oxidation number of phosphorus (P) in sodium phosphate (Na3PO4)?

Chemistry
2 answers:
joja [24]3 years ago
8 0
Na⁺¹₃P⁺⁵O⁻²₄

+1*3 + (+5) + (-2*4) = 0
marissa [1.9K]3 years ago
3 0

Let the oxidation number of P be x.  

We know that oxidation number of Na= +1, O= -2  

therefore,  3*1 + x+ 4* -2 = 0 (net charge on the molecule)  

3 + x - 8 =0  

x = +5  

therefore, the answer is C)+5

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