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Complete and balance the following chemi...

Complete and balance the following chemical reactions : Red phosphorus is reacted with iodine in the presence of water of form `H_3 PO_3` and `HI`.
`2P + 3 I_2 + 6 H_2 O rarr`.

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`2P + 3I_2 + 6H_2O rarr 2H_3PO_3 + 6 HI`.
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