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29-06-2018
Chemistry

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What is the oxidation number of each phosphorus atom (P) in the compound calcium phosphite, Ca3(PO3)2? (2 points) -2 -3 +3 +6

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mkryukova19 mkryukova19

29-06-2018

Ca3(PO3)2

Oxidation numbers:
Ca ---- +2
P----x
O---- -2

+2*3 +x*2 - 2*6 = 0
6 + 2x -12 = 0
2x = 6
x = +3

Oxidation number of P is +3.

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